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213
backport-CVE-2024-32002-submodule-helper-add-const-to-passed-module_clone_da.patch
View File

@ -1,213 +0,0 @@
From d2da776547575648d6f9da4ac7b4b1d06d6ab1a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
<avarab@gmail.com>
Date: Thu, 1 Sep 2022 01:17:56 +0200
Subject: [PATCH 1/3] submodule--helper: add "const" to passed
"module_clone_data"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add "const" to the "struct module_clone_data" that we pass to
clone_submodule(), which makes the ownership clear, and stops us from
clobbering the "clone_data->path".
We still need to add to the "reference" member, which is a "struct
string_list". Let's do this by having clone_submodule() create its
own, and copy the contents over, allowing us to pass it as a
separate parameter.
This new "struct string_list" still leaks memory, just as the "struct
module_clone_data" did before. let's not fix that for now, to fix that
we'll need to add some "goto cleanup" to the relevant code. That will
eventually be done in follow-up commits, this change makes it easier
to fix the memory leak.
The scope of the new "reference" variable in add_submodule() could be
narrowed to the "else" block, but as we'll eventually free it with a
"goto cleanup" let's declare it at the start of the function.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reference: https://git.kernel.org/pub/scm/git/git.git/commit/?id=6fac5b2f352efc8c246d6d5be63a66b7b0fc0209
Conflicts:
builtin/submodule--helper.c
Signed-off-by: qiaojijun <qiaojijun@kylinos.cn>
---
builtin/submodule--helper.c | 49 ++++++++++++++++++++-----------------
1 file changed, 27 insertions(+), 22 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index ef2776a..7216e71 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1665,14 +1665,13 @@ struct module_clone_data {
const char *name;
const char *url;
const char *depth;
- struct string_list reference;
unsigned int quiet: 1;
unsigned int progress: 1;
unsigned int dissociate: 1;
unsigned int require_init: 1;
int single_branch;
};
-#define MODULE_CLONE_DATA_INIT { .reference = STRING_LIST_INIT_NODUP, .single_branch = -1 }
+#define MODULE_CLONE_DATA_INIT { .single_branch = -1 }
struct submodule_alternate_setup {
const char *submodule_name;
@@ -1778,12 +1777,14 @@ static void prepare_possible_alternates(const char *sm_name,
free(error_strategy);
}
-static int clone_submodule(struct module_clone_data *clone_data)
+static int clone_submodule(const struct module_clone_data *clone_data,
+ struct string_list *reference)
{
char *p, *sm_gitdir;
char *sm_alternate = NULL, *error_strategy = NULL;
struct strbuf sb = STRBUF_INIT;
struct child_process cp = CHILD_PROCESS_INIT;
+ const char *clone_data_path;
strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), clone_data->name);
sm_gitdir = absolute_pathdup(sb.buf);
@@ -1791,9 +1792,10 @@ static int clone_submodule(struct module_clone_data *clone_data)
if (!is_absolute_path(clone_data->path)) {
strbuf_addf(&sb, "%s/%s", get_git_work_tree(), clone_data->path);
- clone_data->path = strbuf_detach(&sb, NULL);
+ clone_data_path = xstrfmt("%s/%s", get_git_work_tree(),
+ clone_data->path);
} else {
- clone_data->path = xstrdup(clone_data->path);
+ clone_data_path = xstrdup(clone_data->path);
}
if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0)
@@ -1804,7 +1806,7 @@ static int clone_submodule(struct module_clone_data *clone_data)
if (safe_create_leading_directories_const(sm_gitdir) < 0)
die(_("could not create directory '%s'"), sm_gitdir);
- prepare_possible_alternates(clone_data->name, &clone_data->reference);
+ prepare_possible_alternates(clone_data->name, reference);
strvec_push(&cp.args, "clone");
strvec_push(&cp.args, "--no-checkout");
@@ -1814,9 +1816,9 @@ static int clone_submodule(struct module_clone_data *clone_data)
strvec_push(&cp.args, "--progress");
if (clone_data->depth && *(clone_data->depth))
strvec_pushl(&cp.args, "--depth", clone_data->depth, NULL);
- if (clone_data->reference.nr) {
+ if (reference->nr) {
struct string_list_item *item;
- for_each_string_list_item(item, &clone_data->reference)
+ for_each_string_list_item(item, reference)
strvec_pushl(&cp.args, "--reference",
item->string, NULL);
}
@@ -1831,7 +1833,7 @@ static int clone_submodule(struct module_clone_data *clone_data)
strvec_push(&cp.args, "--");
strvec_push(&cp.args, clone_data->url);
- strvec_push(&cp.args, clone_data->path);
+ strvec_push(&cp.args, clone_data_path);
cp.git_cmd = 1;
prepare_submodule_repo_env(&cp.env_array);
@@ -1839,23 +1841,23 @@ static int clone_submodule(struct module_clone_data *clone_data)
if(run_command(&cp))
die(_("clone of '%s' into submodule path '%s' failed"),
- clone_data->url, clone_data->path);
+ clone_data->url, clone_data_path);
} else {
- if (clone_data->require_init && !access(clone_data->path, X_OK) &&
- !is_empty_dir(clone_data->path))
- die(_("directory not empty: '%s'"), clone_data->path);
- if (safe_create_leading_directories_const(clone_data->path) < 0)
- die(_("could not create directory '%s'"), clone_data->path);
+ if (clone_data->require_init && !access(clone_data_path, X_OK) &&
+ !is_empty_dir(clone_data_path))
+ die(_("directory not empty: '%s'"), clone_data_path);
+ if (safe_create_leading_directories_const(clone_data_path) < 0)
+ die(_("could not create directory '%s'"), clone_data_path);
strbuf_addf(&sb, "%s/index", sm_gitdir);
unlink_or_warn(sb.buf);
strbuf_reset(&sb);
}
- connect_work_tree_and_git_dir(clone_data->path, sm_gitdir, 0);
+ connect_work_tree_and_git_dir(clone_data_path, sm_gitdir, 0);
- p = git_pathdup_submodule(clone_data->path, "config");
+ p = git_pathdup_submodule(clone_data_path, "config");
if (!p)
- die(_("could not get submodule directory for '%s'"), clone_data->path);
+ die(_("could not get submodule directory for '%s'"), clone_data_path);
/* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
git_config_get_string("submodule.alternateLocation", &sm_alternate);
@@ -1880,6 +1882,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
{
int dissociate = 0, quiet = 0, progress = 0, require_init = 0;
struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
+ struct string_list reference = STRING_LIST_INIT_NODUP;
struct option module_clone_options[] = {
OPT_STRING(0, "prefix", &clone_data.prefix,
@@ -1894,7 +1897,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
OPT_STRING(0, "url", &clone_data.url,
N_("string"),
N_("url where to clone the submodule from")),
- OPT_STRING_LIST(0, "reference", &clone_data.reference,
+ OPT_STRING_LIST(0, "reference", &reference,
N_("repo"),
N_("reference repository")),
OPT_BOOL(0, "dissociate", &dissociate,
@@ -1932,7 +1935,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
usage_with_options(git_submodule_helper_usage,
module_clone_options);
- clone_submodule(&clone_data);
+ clone_submodule(&clone_data, &reference);
return 0;
}
@@ -2805,6 +2808,7 @@ static int add_submodule(const struct add_data *add_data)
{
char *submod_gitdir_path;
struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
+ struct string_list reference = STRING_LIST_INIT_NODUP;
/* perhaps the path already exists and is already a git repo, else clone it */
if (is_directory(add_data->sm_path)) {
@@ -2821,6 +2825,7 @@ static int add_submodule(const struct add_data *add_data)
free(submod_gitdir_path);
} else {
struct child_process cp = CHILD_PROCESS_INIT;
+
submod_gitdir_path = xstrfmt(".git/modules/%s", add_data->sm_name);
if (is_directory(submod_gitdir_path)) {
@@ -2852,13 +2857,13 @@ static int add_submodule(const struct add_data *add_data)
clone_data.quiet = add_data->quiet;
clone_data.progress = add_data->progress;
if (add_data->reference_path)
- string_list_append(&clone_data.reference,
+ string_list_append(&reference,
xstrdup(add_data->reference_path));
clone_data.dissociate = add_data->dissociate;
if (add_data->depth >= 0)
clone_data.depth = xstrfmt("%d", add_data->depth);
- if (clone_submodule(&clone_data))
+ if (clone_submodule(&clone_data, &reference))
return -1;
prepare_submodule_repo_env(&cp.env_array);
--
2.20.1

146
backport-CVE-2024-32002-submodule-helper-fix-a-leak-in-clone_submodule.patch
View File

@ -1,146 +0,0 @@
From 41b5e59b703f94365bdd5cd6597ee150d946171b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
<avarab@gmail.com>
Date: Thu, 1 Sep 2022 01:14:08 +0200
Subject: [PATCH 2/3] submodule--helper: fix a leak in "clone_submodule"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fix a memory leak of the "clone_data_path" variable that we copy or
derive from the "struct module_clone_data" in clone_submodule(). This
code was refactored in preceding commits, but the leak has been with
us since f8eaa0ba98b (submodule--helper, module_clone: always operate
on absolute paths, 2016-03-31).
For the "else" case we don't need to xstrdup() the "clone_data->path",
and we don't need to free our own "clone_data_path". We can therefore
assign the "clone_data->path" to our own "clone_data_path" right away,
and only override it (and remember to free it!) if we need to
xstrfmt() a replacement.
In the case of the module_clone() caller it's from "argv", and doesn't
need to be free'd, and in the case of the add_submodule() caller we
get a pointer to "sm_path", which doesn't need to be directly free'd
either.
Fixing this leak makes several tests pass, so let's mark them as
passing with TEST_PASSES_SANITIZE_LEAK=true.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reference: https://git.kernel.org/pub/scm/git/git.git/commit/?id=e77b3da6bb60e9af5963c9e42442afe53af1780b
Conflicts:
builtin/submodule--helper.c
Signed-off-by: qiaojijun <qiaojijun@kylinos.cn>
---
builtin/submodule--helper.c | 10 +++++-----
t/t1500-rev-parse.sh | 1 +
t/t6008-rev-list-submodule.sh | 1 +
t/t7414-submodule-mistakes.sh | 2 ++
t/t7506-status-submodule.sh | 1 +
t/t7507-commit-verbose.sh | 2 ++
6 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 78ac555..bb0834a 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1784,7 +1784,8 @@ static int clone_submodule(const struct module_clone_data *clone_data,
char *sm_alternate = NULL, *error_strategy = NULL;
struct strbuf sb = STRBUF_INIT;
struct child_process cp = CHILD_PROCESS_INIT;
- const char *clone_data_path;
+ const char *clone_data_path = clone_data->path;
+ char *to_free = NULL;
strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), clone_data->name);
sm_gitdir = absolute_pathdup(sb.buf);
@@ -1792,10 +1793,8 @@ static int clone_submodule(const struct module_clone_data *clone_data,
if (!is_absolute_path(clone_data->path)) {
strbuf_addf(&sb, "%s/%s", get_git_work_tree(), clone_data->path);
- clone_data_path = xstrfmt("%s/%s", get_git_work_tree(),
- clone_data->path);
- } else {
- clone_data_path = xstrdup(clone_data->path);
+ clone_data_path = to_free = xstrfmt("%s/%s", get_git_work_tree(),
+ clone_data->path);
}
if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0)
@@ -1875,6 +1874,7 @@ static int clone_submodule(const struct module_clone_data *clone_data,
strbuf_release(&sb);
free(sm_gitdir);
free(p);
+ free(to_free);
return 0;
}
diff --git a/t/t1500-rev-parse.sh b/t/t1500-rev-parse.sh
index 1c2df08..0e13bcb 100755
--- a/t/t1500-rev-parse.sh
+++ b/t/t1500-rev-parse.sh
@@ -4,6 +4,7 @@ test_description='test git rev-parse'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_one () {
diff --git a/t/t6008-rev-list-submodule.sh b/t/t6008-rev-list-submodule.sh
index 3153a0d..12e67e1 100755
--- a/t/t6008-rev-list-submodule.sh
+++ b/t/t6008-rev-list-submodule.sh
@@ -8,6 +8,7 @@ test_description='git rev-list involving submodules that this repo has'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup' '
diff --git a/t/t7414-submodule-mistakes.sh b/t/t7414-submodule-mistakes.sh
index f2e7df5..3269298 100755
--- a/t/t7414-submodule-mistakes.sh
+++ b/t/t7414-submodule-mistakes.sh
@@ -1,6 +1,8 @@
#!/bin/sh
test_description='handling of common mistakes people may make with submodules'
+
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'create embedded repository' '
diff --git a/t/t7506-status-submodule.sh b/t/t7506-status-submodule.sh
index 3fcb447..f5426a8 100755
--- a/t/t7506-status-submodule.sh
+++ b/t/t7506-status-submodule.sh
@@ -2,6 +2,7 @@
test_description='git status for submodule'
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_create_repo_with_commit () {
diff --git a/t/t7507-commit-verbose.sh b/t/t7507-commit-verbose.sh
index ed2653d..92462a2 100755
--- a/t/t7507-commit-verbose.sh
+++ b/t/t7507-commit-verbose.sh
@@ -1,6 +1,8 @@
#!/bin/sh
test_description='verbose commit template'
+
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
write_script "check-for-diff" <<\EOF &&
--
2.20.1

156
backport-CVE-2024-32002-submodules-submodule-paths-must-not-contain-symlinks.patch
View File

@ -1,156 +0,0 @@
From e25bf36fdf54524bda9ec12a851ef53f43c45904 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Fri, 22 Mar 2024 11:19:22 +0100
Subject: [PATCH 3/3] submodules: submodule paths must not contain symlinks
When creating a submodule path, we must be careful not to follow
symbolic links. Otherwise we may follow a symbolic link pointing to
a gitdir (which are valid symbolic links!) e.g. while cloning.
On case-insensitive filesystems, however, we blindly replace a directory
that has been created as part of the `clone` operation with a symlink
when the path to the latter differs only in case from the former's path.
Let's simply avoid this situation by expecting not ever having to
overwrite any existing file/directory/symlink upon cloning. That way, we
won't even replace a directory that we just created.
This addresses CVE-2024-32002.
Reported-by: Filip Hejsek <filip.hejsek@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reference: https://git.kernel.org/pub/scm/git/git.git/commit/?id=97065761333fd62db1912d81b489db938d8c991d
Conflicts:
builtin/submodule--helper.c
t/t7406-submodule-update.sh
Signed-off-by: qiaojijun <qiaojijun@kylinos.cn>
---
builtin/submodule--helper.c | 35 +++++++++++++++++++++++++++
t/t7406-submodule-update.sh | 48 +++++++++++++++++++++++++++++++++++++
2 files changed, 83 insertions(+)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index bb0834a..12b08ef 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1777,11 +1777,34 @@ static void prepare_possible_alternates(const char *sm_name,
free(error_strategy);
}
+static int dir_contains_only_dotgit(const char *path)
+{
+ DIR *dir = opendir(path);
+ struct dirent *e;
+ int ret = 1;
+
+ if (!dir)
+ return 0;
+
+ e = readdir_skip_dot_and_dotdot(dir);
+ if (!e)
+ ret = 0;
+ else if (strcmp(DEFAULT_GIT_DIR_ENVIRONMENT, e->d_name) ||
+ (e = readdir_skip_dot_and_dotdot(dir))) {
+ error("unexpected item '%s' in '%s'", e->d_name, path);
+ ret = 0;
+ }
+
+ closedir(dir);
+ return ret;
+}
+
static int clone_submodule(const struct module_clone_data *clone_data,
struct string_list *reference)
{
char *p, *sm_gitdir;
char *sm_alternate = NULL, *error_strategy = NULL;
+ struct stat st;
struct strbuf sb = STRBUF_INIT;
struct child_process cp = CHILD_PROCESS_INIT;
const char *clone_data_path = clone_data->path;
@@ -1802,6 +1825,10 @@ static int clone_submodule(const struct module_clone_data *clone_data,
"git dir"), sm_gitdir);
if (!file_exists(sm_gitdir)) {
+ if (clone_data->require_init && !stat(clone_data_path, &st) &&
+ !is_empty_dir(clone_data_path))
+ die(_("directory not empty: '%s'"), clone_data_path);
+
if (safe_create_leading_directories_const(sm_gitdir) < 0)
die(_("could not create directory '%s'"), sm_gitdir);
@@ -1841,6 +1868,14 @@ static int clone_submodule(const struct module_clone_data *clone_data,
if(run_command(&cp))
die(_("clone of '%s' into submodule path '%s' failed"),
clone_data->url, clone_data_path);
+
+ if (clone_data->require_init && !stat(clone_data_path, &st) &&
+ !dir_contains_only_dotgit(clone_data_path)) {
+ char *dot_git = xstrfmt("%s/.git", clone_data_path);
+ unlink(dot_git);
+ free(dot_git);
+ die(_("directory not empty: '%s'"), clone_data_path);
+ }
} else {
if (clone_data->require_init && !access(clone_data_path, X_OK) &&
!is_empty_dir(clone_data_path))
diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index 11cccbb..2d04738 100755
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -1061,4 +1061,52 @@ test_expect_success 'submodule update --quiet passes quietness to fetch with a s
)
'
+test_expect_success CASE_INSENSITIVE_FS,SYMLINKS \
+ 'submodule paths must not follow symlinks' '
+
+ # This is only needed because we want to run this in a self-contained
+ # test without having to spin up an HTTP server; However, it would not
+ # be needed in a real-world scenario where the submodule is simply
+ # hosted on a public site.
+ test_config_global protocol.file.allow always &&
+
+ # Make sure that Git tries to use symlinks on Windows
+ test_config_global core.symlinks true &&
+
+ tell_tale_path="$PWD/tell.tale" &&
+ git init hook &&
+ (
+ cd hook &&
+ mkdir -p y/hooks &&
+ write_script y/hooks/post-checkout <<-EOF &&
+ echo HOOK-RUN >&2
+ echo hook-run >"$tell_tale_path"
+ EOF
+ git add y/hooks/post-checkout &&
+ test_tick &&
+ git commit -m post-checkout
+ ) &&
+
+ hook_repo_path="$(pwd)/hook" &&
+ git init captain &&
+ (
+ cd captain &&
+ git submodule add --name x/y "$hook_repo_path" A/modules/x &&
+ test_tick &&
+ git commit -m add-submodule &&
+
+ printf .git >dotgit.txt &&
+ git hash-object -w --stdin <dotgit.txt >dot-git.hash &&
+ printf "120000 %s 0\ta\n" "$(cat dot-git.hash)" >index.info &&
+ git update-index --index-info <index.info &&
+ test_tick &&
+ git commit -m add-symlink
+ ) &&
+
+ test_path_is_missing "$tell_tale_path" &&
+ test_must_fail git clone --recursive captain hooked 2>err &&
+ grep "directory not empty" err &&
+ test_path_is_missing "$tell_tale_path"
+'
+
test_done
--
2.20.1

153
backport-CVE-2024-32004-fetch-clone-detect-dubious-ownership-of-local-reposi.patch
View File

@ -1,153 +0,0 @@
From f4aa8c8bb11dae6e769cd930565173808cbb69c8 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Wed, 10 Apr 2024 14:39:37 +0200
Subject: [PATCH] fetch/clone: detect dubious ownership of local repositories
When cloning from somebody else's repositories, it is possible that,
say, the `upload-pack` command is overridden in the repository that is
about to be cloned, which would then be run in the user's context who
started the clone.
To remind the user that this is a potentially unsafe operation, let's
extend the ownership checks we have already established for regular
gitdir discovery to extend also to local repositories that are about to
be cloned.
This protection extends also to file:// URLs.
The fixes in this commit address CVE-2024-32004.
Note: This commit does not touch the `fetch`/`clone` code directly, but
instead the function used implicitly by both: `enter_repo()`. This
function is also used by `git receive-pack` (i.e. pushes), by `git
upload-archive`, by `git daemon` and by `git http-backend`. In setups
that want to serve repositories owned by different users than the
account running the service, this will require `safe.*` settings to be
configured accordingly.
Also note: there are tiny time windows where a time-of-check-time-of-use
("TOCTOU") race is possible. The real solution to those would be to work
with `fstat()` and `openat()`. However, the latter function is not
available on Windows (and would have to be emulated with rather
expensive low-level `NtCreateFile()` calls), and the changes would be
quite extensive, for my taste too extensive for the little gain given
that embargoed releases need to pay extra attention to avoid introducing
inadvertent bugs.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
cache.h | 12 ++++++++++++
path.c | 2 ++
setup.c | 21 +++++++++++++++++++++
t/t0411-clone-from-partial.sh | 6 +++---
4 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/cache.h b/cache.h
index fcf49706a..a46a3e4b6 100644
--- a/cache.h
+++ b/cache.h
@@ -606,6 +606,18 @@ void set_git_work_tree(const char *tree);
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
+/*
+ * Check if a repository is safe and die if it is not, by verifying the
+ * ownership of the worktree (if any), the git directory, and the gitfile (if
+ * any).
+ *
+ * Exemptions for known-safe repositories can be added via `safe.directory`
+ * config settings; for non-bare repositories, their worktree needs to be
+ * added, for bare ones their git directory.
+ */
+void die_upon_dubious_ownership(const char *gitfile, const char *worktree,
+ const char *gitdir);
+
void setup_work_tree(void);
/*
* Find the commondir and gitdir of the repository that contains the current
diff --git a/path.c b/path.c
index 492e17ad1..d61f70e87 100644
--- a/path.c
+++ b/path.c
@@ -840,6 +840,7 @@ const char *enter_repo(const char *path, int strict)
if (!suffix[i])
return NULL;
gitfile = read_gitfile(used_path.buf);
+ die_upon_dubious_ownership(gitfile, NULL, used_path.buf);
if (gitfile) {
strbuf_reset(&used_path);
strbuf_addstr(&used_path, gitfile);
@@ -850,6 +851,7 @@ const char *enter_repo(const char *path, int strict)
}
else {
const char *gitfile = read_gitfile(path);
+ die_upon_dubious_ownership(gitfile, NULL, path);
if (gitfile)
path = gitfile;
if (chdir(path))
diff --git a/setup.c b/setup.c
index cefd5f63c..9d401ae4c 100644
--- a/setup.c
+++ b/setup.c
@@ -1165,6 +1165,27 @@ static int ensure_valid_ownership(const char *gitfile,
return data.is_safe;
}
+void die_upon_dubious_ownership(const char *gitfile, const char *worktree,
+ const char *gitdir)
+{
+ struct strbuf report = STRBUF_INIT, quoted = STRBUF_INIT;
+ const char *path;
+
+ if (ensure_valid_ownership(gitfile, worktree, gitdir, &report))
+ return;
+
+ strbuf_complete(&report, '\n');
+ path = gitfile ? gitfile : gitdir;
+ sq_quote_buf_pretty(&quoted, path);
+
+ die(_("detected dubious ownership in repository at '%s'\n"
+ "%s"
+ "To add an exception for this directory, call:\n"
+ "\n"
+ "\tgit config --global --add safe.directory %s"),
+ path, report.buf, quoted.buf);
+}
+
enum discovery_result {
GIT_DIR_NONE = 0,
GIT_DIR_EXPLICIT,
diff --git a/t/t0411-clone-from-partial.sh b/t/t0411-clone-from-partial.sh
index fb72a0a9f..eb3360dbc 100755
--- a/t/t0411-clone-from-partial.sh
+++ b/t/t0411-clone-from-partial.sh
@@ -23,7 +23,7 @@ test_expect_success 'create evil repo' '
>evil/.git/shallow
'
-test_expect_failure 'local clone must not fetch from promisor remote and execute script' '
+test_expect_success 'local clone must not fetch from promisor remote and execute script' '
rm -f script-executed &&
test_must_fail git clone \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
@@ -32,7 +32,7 @@ test_expect_failure 'local clone must not fetch from promisor remote and execute
test_path_is_missing script-executed
'
-test_expect_failure 'clone from file://... must not fetch from promisor remote and execute script' '
+test_expect_success 'clone from file://... must not fetch from promisor remote and execute script' '
rm -f script-executed &&
test_must_fail git clone \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
@@ -41,7 +41,7 @@ test_expect_failure 'clone from file://... must not fetch from promisor remote a
test_path_is_missing script-executed
'
-test_expect_failure 'fetch from file://... must not fetch from promisor remote and execute script' '
+test_expect_success 'fetch from file://... must not fetch from promisor remote and execute script' '
rm -f script-executed &&
test_must_fail git fetch \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
--
2.33.0

47
backport-CVE-2024-32004-setup-fix-some-formatting.patch
View File

@ -1,47 +0,0 @@
From d51e1dff980b9fc87002436b6ab36120a39816b1 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Mon, 8 Aug 2022 13:27:46 +0000
Subject: [PATCH] setup: fix some formatting
In preparation for touching code that was introduced in 3b0bf2704980
(setup: tighten ownership checks post CVE-2022-24765, 2022-05-10) and
that was formatted differently than preferred in the Git project, fix
the indentation before actually modifying the code.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
setup.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/setup.c b/setup.c
index 7f64f3447..0fdecec32 100644
--- a/setup.c
+++ b/setup.c
@@ -1138,7 +1138,7 @@ static int safe_directory_cb(const char *key, const char *value, void *d)
* added, for bare ones their git directory.
*/
static int ensure_valid_ownership(const char *gitfile,
- const char *worktree, const char *gitdir)
+ const char *worktree, const char *gitdir)
{
struct safe_directory_data data = {
.path = worktree ? worktree : gitdir
@@ -1271,10 +1271,11 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
strbuf_setlen(dir, offset);
if (gitdirenv) {
enum discovery_result ret;
+ const char *gitdir_candidate =
+ gitdir_path ? gitdir_path : gitdirenv;
- if (ensure_valid_ownership(gitfile,
- dir->buf,
- (gitdir_path ? gitdir_path : gitdirenv))) {
+ if (ensure_valid_ownership(gitfile, dir->buf,
+ gitdir_candidate)) {
strbuf_addstr(gitdir, gitdirenv);
ret = GIT_DIR_DISCOVERED;
} else
--
2.33.0

182
backport-CVE-2024-32004-setup-prepare-for-more-detailed-dubious-ownership-me.patch
View File

@ -1,182 +0,0 @@
From 17d3883fe9c88b823002ad9fafb42313ddc3d3d5 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Mon, 8 Aug 2022 13:27:47 +0000
Subject: [PATCH] setup: prepare for more detailed "dubious ownership" messages
When verifying the ownership of the Git directory, we sometimes would
like to say a bit more about it, e.g. when using a platform-dependent
code path (think: Windows has the permission model that is so different
from Unix'), but only when it is a appropriate to actually say
something.
To allow for that, collect that information and hand it back to the
caller (whose responsibility it is to show it or not).
Note: We do not actually fill in any platform-dependent information yet,
this commit just adds the infrastructure to be able to do so.
Based-on-an-idea-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
compat/mingw.c | 2 +-
compat/mingw.h | 2 +-
git-compat-util.h | 5 ++++-
setup.c | 25 +++++++++++++++----------
4 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/compat/mingw.c b/compat/mingw.c
index 2607de93a..f12b7df16 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -2673,7 +2673,7 @@ static PSID get_current_user_sid(void)
return result;
}
-int is_path_owned_by_current_sid(const char *path)
+int is_path_owned_by_current_sid(const char *path, struct strbuf *report)
{
WCHAR wpath[MAX_PATH];
PSID sid = NULL;
diff --git a/compat/mingw.h b/compat/mingw.h
index a74da68f3..209cf7ceb 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -463,7 +463,7 @@ char *mingw_query_user_email(void);
* Verifies that the specified path is owned by the user running the
* current process.
*/
-int is_path_owned_by_current_sid(const char *path);
+int is_path_owned_by_current_sid(const char *path, struct strbuf *report);
#define is_path_owned_by_current_user is_path_owned_by_current_sid
/**
diff --git a/git-compat-util.h b/git-compat-util.h
index 58d770829..36a25ae25 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -23,6 +23,9 @@
#include <crtdbg.h>
#endif
+struct strbuf;
+
+
#define _FILE_OFFSET_BITS 64
@@ -487,7 +490,7 @@ static inline void extract_id_from_env(const char *env, uid_t *id)
#endif
#ifndef is_path_owned_by_current_user
-static inline int is_path_owned_by_current_uid(const char *path)
+static inline int is_path_owned_by_current_uid(const char *path, struct strbuf *report)
{
struct stat st;
if (lstat(path, &st))
diff --git a/setup.c b/setup.c
index 0fdecec32..ddcf6eb60 100644
--- a/setup.c
+++ b/setup.c
@@ -1138,16 +1138,17 @@ static int safe_directory_cb(const char *key, const char *value, void *d)
* added, for bare ones their git directory.
*/
static int ensure_valid_ownership(const char *gitfile,
- const char *worktree, const char *gitdir)
+ const char *worktree, const char *gitdir,
+ struct strbuf *report)
{
struct safe_directory_data data = {
.path = worktree ? worktree : gitdir
};
if (!git_env_bool("GIT_TEST_ASSUME_DIFFERENT_OWNER", 0) &&
- (!gitfile || is_path_owned_by_current_user(gitfile)) &&
- (!worktree || is_path_owned_by_current_user(worktree)) &&
- (!gitdir || is_path_owned_by_current_user(gitdir)))
+ (!gitfile || is_path_owned_by_current_user(gitfile, report)) &&
+ (!worktree || is_path_owned_by_current_user(worktree, report)) &&
+ (!gitdir || is_path_owned_by_current_user(gitdir, report)))
return 1;
/*
@@ -1187,6 +1188,7 @@ enum discovery_result {
*/
static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
struct strbuf *gitdir,
+ struct strbuf *report,
int die_on_error)
{
const char *env_ceiling_dirs = getenv(CEILING_DIRECTORIES_ENVIRONMENT);
@@ -1275,7 +1277,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
gitdir_path ? gitdir_path : gitdirenv;
if (ensure_valid_ownership(gitfile, dir->buf,
- gitdir_candidate)) {
+ gitdir_candidate, report)) {
strbuf_addstr(gitdir, gitdirenv);
ret = GIT_DIR_DISCOVERED;
} else
@@ -1298,7 +1300,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
}
if (is_git_directory(dir->buf)) {
- if (!ensure_valid_ownership(NULL, NULL, dir->buf))
+ if (!ensure_valid_ownership(NULL, NULL, dir->buf, report))
return GIT_DIR_INVALID_OWNERSHIP;
strbuf_addstr(gitdir, ".");
return GIT_DIR_BARE;
@@ -1331,7 +1333,7 @@ int discover_git_directory(struct strbuf *commondir,
return -1;
cwd_len = dir.len;
- if (setup_git_directory_gently_1(&dir, gitdir, 0) <= 0) {
+ if (setup_git_directory_gently_1(&dir, gitdir, NULL, 0) <= 0) {
strbuf_release(&dir);
return -1;
}
@@ -1378,7 +1380,7 @@ int discover_git_directory(struct strbuf *commondir,
const char *setup_git_directory_gently(int *nongit_ok)
{
static struct strbuf cwd = STRBUF_INIT;
- struct strbuf dir = STRBUF_INIT, gitdir = STRBUF_INIT;
+ struct strbuf dir = STRBUF_INIT, gitdir = STRBUF_INIT, report = STRBUF_INIT;
const char *prefix = NULL;
struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT;
@@ -1403,7 +1405,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
die_errno(_("Unable to read current working directory"));
strbuf_addbuf(&dir, &cwd);
- switch (setup_git_directory_gently_1(&dir, &gitdir, 1)) {
+ switch (setup_git_directory_gently_1(&dir, &gitdir, &report, 1)) {
case GIT_DIR_EXPLICIT:
prefix = setup_explicit_git_dir(gitdir.buf, &cwd, &repo_fmt, nongit_ok);
break;
@@ -1435,12 +1437,14 @@ const char *setup_git_directory_gently(int *nongit_ok)
if (!nongit_ok) {
struct strbuf quoted = STRBUF_INIT;
+ strbuf_complete(&report, '\n');
sq_quote_buf_pretty(&quoted, dir.buf);
die(_("detected dubious ownership in repository at '%s'\n"
+ "%s"
"To add an exception for this directory, call:\n"
"\n"
"\tgit config --global --add safe.directory %s"),
- dir.buf, quoted.buf);
+ dir.buf, report.buf, quoted.buf);
}
*nongit_ok = 1;
break;
@@ -1519,6 +1523,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
strbuf_release(&dir);
strbuf_release(&gitdir);
+ strbuf_release(&report);
clear_repository_format(&repo_fmt);
return prefix;
--
2.33.0

90
backport-CVE-2024-32004-t0411-add-tests-for-cloning-from-partial-repo.patch
View File

@ -1,90 +0,0 @@
From 5c5a4a1c05932378d259b1fdd9526cab971656a2 Mon Sep 17 00:00:00 2001
From: Filip Hejsek <filip.hejsek@gmail.com>
Date: Sun, 28 Jan 2024 04:29:33 +0100
Subject: [PATCH] t0411: add tests for cloning from partial repo
Cloning from a partial repository must not fetch missing objects into
the partial repository, because that can lead to arbitrary code
execution.
Add a couple of test cases, pretending to the `upload-pack` command (and
to that command only) that it is working on a repository owned by
someone else.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Filip Hejsek <filip.hejsek@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
t/t0411-clone-from-partial.sh | 60 +++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100755 t/t0411-clone-from-partial.sh
diff --git a/t/t0411-clone-from-partial.sh b/t/t0411-clone-from-partial.sh
new file mode 100755
index 000000000..fb72a0a9f
--- /dev/null
+++ b/t/t0411-clone-from-partial.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+test_description='check that local clone does not fetch from promisor remotes'
+
+. ./test-lib.sh
+
+test_expect_success 'create evil repo' '
+ git init tmp &&
+ test_commit -C tmp a &&
+ git -C tmp config uploadpack.allowfilter 1 &&
+ git clone --filter=blob:none --no-local --no-checkout tmp evil &&
+ rm -rf tmp &&
+
+ git -C evil config remote.origin.uploadpack \"\$TRASH_DIRECTORY/fake-upload-pack\" &&
+ write_script fake-upload-pack <<-\EOF &&
+ echo >&2 "fake-upload-pack running"
+ >"$TRASH_DIRECTORY/script-executed"
+ exit 1
+ EOF
+ export TRASH_DIRECTORY &&
+
+ # empty shallow file disables local clone optimization
+ >evil/.git/shallow
+'
+
+test_expect_failure 'local clone must not fetch from promisor remote and execute script' '
+ rm -f script-executed &&
+ test_must_fail git clone \
+ --upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
+ evil clone1 2>err &&
+ ! grep "fake-upload-pack running" err &&
+ test_path_is_missing script-executed
+'
+
+test_expect_failure 'clone from file://... must not fetch from promisor remote and execute script' '
+ rm -f script-executed &&
+ test_must_fail git clone \
+ --upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
+ "file://$(pwd)/evil" clone2 2>err &&
+ ! grep "fake-upload-pack running" err &&
+ test_path_is_missing script-executed
+'
+
+test_expect_failure 'fetch from file://... must not fetch from promisor remote and execute script' '
+ rm -f script-executed &&
+ test_must_fail git fetch \
+ --upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
+ "file://$(pwd)/evil" 2>err &&
+ ! grep "fake-upload-pack running" err &&
+ test_path_is_missing script-executed
+'
+
+test_expect_success 'pack-objects should fetch from promisor remote and execute script' '
+ rm -f script-executed &&
+ echo "HEAD" | test_must_fail git -C evil pack-objects --revs --stdout >/dev/null 2>err &&
+ grep "fake-upload-pack running" err &&
+ test_path_is_file script-executed
+'
+
+test_done
--
2.33.0

109
backport-CVE-2024-32020-builtin-clone-refuse-local-clones-of-unsafe-reposito.patch
View File

@ -1,109 +0,0 @@
From 1204e1a824c34071019fe106348eaa6d88f9528d Mon Sep 17 00:00:00 2001
From: Patrick Steinhardt <ps@pks.im>
Date: Mon, 15 Apr 2024 13:30:41 +0200
Subject: [PATCH] builtin/clone: refuse local clones of unsafe repositories
When performing a local clone of a repository we end up either copying
or hardlinking the source repository into the target repository. This is
significantly more performant than if we were to use git-upload-pack(1)
and git-fetch-pack(1) to create the new repository and preserves both
disk space and compute time.
Unfortunately though, performing such a local clone of a repository that
is not owned by the current user is inherently unsafe:
- It is possible that source files get swapped out underneath us while
we are copying or hardlinking them. While we do perform some checks
here to assert that we hardlinked the expected file, they cannot
reliably thwart time-of-check-time-of-use (TOCTOU) style races. It
is thus possible for an adversary to make us copy or hardlink
unexpected files into the target directory.
Ideally, we would address this by starting to use openat(3P),
fstatat(3P) and friends. Due to platform compatibility with Windows
we cannot easily do that though. Furthermore, the scope of these
fixes would likely be quite broad and thus not fit for an embargoed
security release.
- Even if we handled TOCTOU-style races perfectly, hardlinking files
owned by a different user into the target repository is not a good
idea in general. It is possible for an adversary to rewrite those
files to contain whatever data they want even after the clone has
completed.
Address these issues by completely refusing local clones of a repository
that is not owned by the current user. This reuses our existing infra we
have in place via `ensure_valid_ownership()` and thus allows a user to
override the safety guard by adding the source repository path to the
"safe.directory" configuration.
This addresses CVE-2024-32020.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
builtin/clone.c | 14 ++++++++++++++
t/t0033-safe-directory.sh | 24 ++++++++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/builtin/clone.c b/builtin/clone.c
index 4b80fa087..9ec500d42 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -321,6 +321,20 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
struct dir_iterator *iter;
int iter_status;
+ /*
+ * Refuse copying directories by default which aren't owned by us. The
+ * code that performs either the copying or hardlinking is not prepared
+ * to handle various edge cases where an adversary may for example
+ * racily swap out files for symlinks. This can cause us to
+ * inadvertently use the wrong source file.
+ *
+ * Furthermore, even if we were prepared to handle such races safely,
+ * creating hardlinks across user boundaries is an inherently unsafe
+ * operation as the hardlinked files can be rewritten at will by the
+ * potentially-untrusted user. We thus refuse to do so by default.
+ */
+ die_upon_dubious_ownership(NULL, NULL, src_repo);
+
mkdir_if_missing(dest->buf, 0777);
iter = dir_iterator_begin(src->buf, DIR_ITERATOR_PEDANTIC);
diff --git a/t/t0033-safe-directory.sh b/t/t0033-safe-directory.sh
index dc3496897..11c3e8f28 100755
--- a/t/t0033-safe-directory.sh
+++ b/t/t0033-safe-directory.sh
@@ -80,4 +80,28 @@ test_expect_success 'safe.directory=*, but is reset' '
expect_rejected_dir
'
+test_expect_success 'local clone of unowned repo refused in unsafe directory' '
+ test_when_finished "rm -rf source" &&
+ git init source &&
+ (
+ sane_unset GIT_TEST_ASSUME_DIFFERENT_OWNER &&
+ test_commit -C source initial
+ ) &&
+ test_must_fail git clone --local source target &&
+ test_path_is_missing target
+'
+
+test_expect_success 'local clone of unowned repo accepted in safe directory' '
+ test_when_finished "rm -rf source" &&
+ git init source &&
+ (
+ sane_unset GIT_TEST_ASSUME_DIFFERENT_OWNER &&
+ test_commit -C source initial
+ ) &&
+ test_must_fail git clone --local source target &&
+ git config --global --add safe.directory "$(pwd)/source/.git" &&
+ git clone --local source target &&
+ test_path_is_dir target
+'
+
test_done
--
2.33.0

60
backport-CVE-2024-32021-builtin-clone-abort-when-hardlinked-source-and-targe.patch
View File

@ -1,60 +0,0 @@
From d1bb66a546b4bb46005d17ba711caaad26f26c1e Mon Sep 17 00:00:00 2001
From: Patrick Steinhardt <ps@pks.im>
Date: Mon, 15 Apr 2024 13:30:31 +0200
Subject: [PATCH] builtin/clone: abort when hardlinked source and target file
differ
When performing local clones with hardlinks we refuse to copy source
files which are symlinks as a mitigation for CVE-2022-39253. This check
can be raced by an adversary though by changing the file to a symlink
after we have checked it.
Fix the issue by checking whether the hardlinked destination file
matches the source file and abort in case it doesn't.
This addresses CVE-2024-32021.
Reported-by: Apple Product Security <product-security@apple.com>
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
builtin/clone.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/builtin/clone.c b/builtin/clone.c
index 073e6323d..4b80fa087 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -357,8 +357,27 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
- if (!link(src->buf, dest->buf))
+ if (!link(src->buf, dest->buf)) {
+ struct stat st;
+
+ /*
+ * Sanity-check whether the created hardlink
+ * actually links to the expected file now. This
+ * catches time-of-check-time-of-use bugs in
+ * case the source file was meanwhile swapped.
+ */
+ if (lstat(dest->buf, &st))
+ die(_("hardlink cannot be checked at '%s'"), dest->buf);
+ if (st.st_mode != iter->st.st_mode ||
+ st.st_ino != iter->st.st_ino ||
+ st.st_dev != iter->st.st_dev ||
+ st.st_size != iter->st.st_size ||
+ st.st_uid != iter->st.st_uid ||
+ st.st_gid != iter->st.st_gid)
+ die(_("hardlink different from source at '%s'"), dest->buf);
+
continue;
+ }
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
option_no_hardlinks = 1;
--
2.33.0

84
backport-CVE-2024-32021-builtin-clone-stop-resolving-symlinks-when-copying-f.patch
View File

@ -1,84 +0,0 @@
From 150e6b0aedf57d224c3c49038c306477fa159886 Mon Sep 17 00:00:00 2001
From: Patrick Steinhardt <ps@pks.im>
Date: Mon, 15 Apr 2024 13:30:26 +0200
Subject: [PATCH] builtin/clone: stop resolving symlinks when copying files
When a user performs a local clone without `--no-local`, then we end up
copying the source repository into the target repository directly. To
optimize this even further, we try to hardlink files into place instead
of copying data over, which helps both disk usage and speed.
There is an important edge case in this context though, namely when we
try to hardlink symlinks from the source repository into the target
repository. Depending on both platform and filesystem the resulting
behaviour here can be different:
- On macOS and NetBSD, calling link(3P) with a symlink target creates
a hardlink to the file pointed to by the symlink.
- On Linux, calling link(3P) instead creates a hardlink to the symlink
itself.
To unify this behaviour, 36596fd2df (clone: better handle symlinked
files at .git/objects/, 2019-07-10) introduced logic to resolve symlinks
before we try to link(3P) files. Consequently, the new behaviour was to
always create a hard link to the target of the symlink on all platforms.
Eventually though, we figured out that following symlinks like this can
cause havoc when performing a local clone of a malicious repository,
which resulted in CVE-2022-39253. This issue was fixed via 6f054f9fb3
(builtin/clone.c: disallow `--local` clones with symlinks, 2022-07-28),
by refusing symlinks in the source repository.
But even though we now shouldn't ever link symlinks anymore, the code
that resolves symlinks still exists. In the best case the code does not
end up doing anything because there are no symlinks anymore. In the
worst case though this can be abused by an adversary that rewrites the
source file after it has been checked not to be a symlink such that it
actually is a symlink when we call link(3P). Thus, it is still possible
to recreate CVE-2022-39253 due to this time-of-check-time-of-use bug.
Remove the call to `realpath()`. This doesn't yet address the actual
vulnerability, which will be handled in a subsequent commit.
Reported-by: Apple Product Security <product-security@apple.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
builtin/clone.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/builtin/clone.c b/builtin/clone.c
index 3c2ae31a5..073e6323d 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -320,7 +320,6 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
int src_len, dest_len;
struct dir_iterator *iter;
int iter_status;
- struct strbuf realpath = STRBUF_INIT;
mkdir_if_missing(dest->buf, 0777);
@@ -358,8 +357,7 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
- strbuf_realpath(&realpath, src->buf, 1);
- if (!link(realpath.buf, dest->buf))
+ if (!link(src->buf, dest->buf))
continue;
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
@@ -373,8 +371,6 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
strbuf_setlen(src, src_len);
die(_("failed to iterate over '%s'"), src->buf);
}
-
- strbuf_release(&realpath);
}
static void clone_local(const char *src_repo, const char *dest_repo)
--
2.33.0

201
backport-CVE-2024-32465-upload-pack-disable-lazy-fetching-by-default.patch
View File

@ -1,201 +0,0 @@
From 7b70e9efb18c2cc3f219af399bd384c5801ba1d7 Mon Sep 17 00:00:00 2001
From: Jeff King <peff@peff.net>
Date: Tue, 16 Apr 2024 04:35:33 -0400
Subject: [PATCH] upload-pack: disable lazy-fetching by default
The upload-pack command tries to avoid trusting the repository in which
it's run (e.g., by not running any hooks and not using any config that
contains arbitrary commands). But if the server side of a fetch or a
clone is a partial clone, then either upload-pack or its child
pack-objects may run a lazy "git fetch" under the hood. And it is very
easy to convince fetch to run arbitrary commands.
The "server" side can be a local repository owned by someone else, who
would be able to configure commands that are run during a clone with the
current user's permissions. This issue has been designated
CVE-2024-32004.
The fix in this commit's parent helps in this scenario, as well as in
related scenarios using SSH to clone, where the untrusted .git directory
is owned by a different user id. But if you received one as a zip file,
on a USB stick, etc, it may be owned by your user but still untrusted.
This has been designated CVE-2024-32465.
To mitigate the issue more completely, let's disable lazy fetching
entirely during `upload-pack`. While fetching from a partial repository
should be relatively rare, it is certainly not an unreasonable workflow.
And thus we need to provide an escape hatch.
This commit works by respecting a GIT_NO_LAZY_FETCH environment variable
(to skip the lazy-fetch), and setting it in upload-pack, but only when
the user has not already done so (which gives us the escape hatch).
The name of the variable is specifically chosen to match what has
already been added in 'master' via e6d5479e7a (git: extend
--no-lazy-fetch to work across subprocesses, 2024-02-27). Since we're
building this fix as a backport for older versions, we could cherry-pick
that patch and its earlier steps. However, we don't really need the
niceties (like a "--no-lazy-fetch" option) that it offers. By using the
same name, everything should just work when the two are eventually
merged, but here are a few notes:
- the blocking of the fetch in e6d5479e7a is incomplete! It sets
fetch_if_missing to 0 when we setup the repository variable, but
that isn't enough. pack-objects in particular will call
prefetch_to_pack() even if that variable is 0. This patch by
contrast checks the environment variable at the lowest level before
we call the lazy fetch, where we can be sure to catch all code
paths.
Possibly the setting of fetch_if_missing from e6d5479e7a can be
reverted, but it may be useful to have. For example, some code may
want to use that flag to change behavior before it gets to the point
of trying to start the fetch. At any rate, that's all outside the
scope of this patch.
- there's documentation for GIT_NO_LAZY_FETCH in e6d5479e7a. We can
live without that here, because for the most part the user shouldn't
need to set it themselves. The exception is if they do want to
override upload-pack's default, and that requires a separate
documentation section (which is added here)
- it would be nice to use the NO_LAZY_FETCH_ENVIRONMENT macro added by
e6d5479e7a, but those definitions have moved from cache.h to
environment.h between 2.39.3 and master. I just used the raw string
literals, and we can replace them with the macro once this topic is
merged to master.
At least with respect to CVE-2024-32004, this does render this commit's
parent commit somewhat redundant. However, it is worth retaining that
commit as defense in depth, and because it may help other issues (e.g.,
symlink/hardlink TOCTOU races, where zip files are not really an
interesting attack vector).
The tests in t0411 still pass, but now we have _two_ mechanisms ensuring
that the evil command is not run. Let's beef up the existing ones to
check that they failed for the expected reason, that we refused to run
upload-pack at all with an alternate user id. And add two new ones for
the same-user case that both the restriction and its escape hatch.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
Documentation/git-upload-pack.txt | 16 ++++++++++++++++
builtin/upload-pack.c | 2 ++
promisor-remote.c | 10 ++++++++++
t/t0411-clone-from-partial.sh | 18 ++++++++++++++++++
4 files changed, 46 insertions(+)
diff --git a/Documentation/git-upload-pack.txt b/Documentation/git-upload-pack.txt
index b656b4756..fc4c62d7b 100644
--- a/Documentation/git-upload-pack.txt
+++ b/Documentation/git-upload-pack.txt
@@ -55,6 +55,22 @@ --advertise-refs::
<directory>::
The repository to sync from.
+`GIT_NO_LAZY_FETCH`::
+ When cloning or fetching from a partial repository (i.e., one
+ itself cloned with `--filter`), the server-side `upload-pack`
+ may need to fetch extra objects from its upstream in order to
+ complete the request. By default, `upload-pack` will refuse to
+ perform such a lazy fetch, because `git fetch` may run arbitrary
+ commands specified in configuration and hooks of the source
+ repository (and `upload-pack` tries to be safe to run even in
+ untrusted `.git` directories).
++
+This is implemented by having `upload-pack` internally set the
+`GIT_NO_LAZY_FETCH` variable to `1`. If you want to override it
+(because you are fetching from a partial clone, and you are sure
+you trust it), you can explicitly set `GIT_NO_LAZY_FETCH` to
+`0`.
+
SEE ALSO
--------
linkgit:gitnamespaces[7]
diff --git a/builtin/upload-pack.c b/builtin/upload-pack.c
index 25b69da2b..f446ff04f 100644
--- a/builtin/upload-pack.c
+++ b/builtin/upload-pack.c
@@ -35,6 +35,8 @@ int cmd_upload_pack(int argc, const char **argv, const char *prefix)
packet_trace_identity("upload-pack");
read_replace_refs = 0;
+ /* TODO: This should use NO_LAZY_FETCH_ENVIRONMENT */
+ xsetenv("GIT_NO_LAZY_FETCH", "1", 0);
argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
diff --git a/promisor-remote.c b/promisor-remote.c
index faa761294..550a38f75 100644
--- a/promisor-remote.c
+++ b/promisor-remote.c
@@ -20,6 +20,16 @@ static int fetch_objects(struct repository *repo,
int i;
FILE *child_in;
+ /* TODO: This should use NO_LAZY_FETCH_ENVIRONMENT */
+ if (git_env_bool("GIT_NO_LAZY_FETCH", 0)) {
+ static int warning_shown;
+ if (!warning_shown) {
+ warning_shown = 1;
+ warning(_("lazy fetching disabled; some objects may not be available"));
+ }
+ return -1;
+ }
+
child.git_cmd = 1;
child.in = -1;
if (repo != the_repository)
diff --git a/t/t0411-clone-from-partial.sh b/t/t0411-clone-from-partial.sh
index eb3360dbc..b3d6ddc4b 100755
--- a/t/t0411-clone-from-partial.sh
+++ b/t/t0411-clone-from-partial.sh
@@ -28,6 +28,7 @@ test_expect_success 'local clone must not fetch from promisor remote and execute
test_must_fail git clone \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
evil clone1 2>err &&
+ grep "detected dubious ownership" err &&
! grep "fake-upload-pack running" err &&
test_path_is_missing script-executed
'
@@ -37,6 +38,7 @@ test_expect_success 'clone from file://... must not fetch from promisor remote a
test_must_fail git clone \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
"file://$(pwd)/evil" clone2 2>err &&
+ grep "detected dubious ownership" err &&
! grep "fake-upload-pack running" err &&
test_path_is_missing script-executed
'
@@ -46,6 +48,7 @@ test_expect_success 'fetch from file://... must not fetch from promisor remote a
test_must_fail git fetch \
--upload-pack="GIT_TEST_ASSUME_DIFFERENT_OWNER=true git-upload-pack" \
"file://$(pwd)/evil" 2>err &&
+ grep "detected dubious ownership" err &&
! grep "fake-upload-pack running" err &&
test_path_is_missing script-executed
'
@@ -57,4 +60,19 @@ test_expect_success 'pack-objects should fetch from promisor remote and execute
test_path_is_file script-executed
'
+test_expect_success 'clone from promisor remote does not lazy-fetch by default' '
+ rm -f script-executed &&
+ test_must_fail git clone evil no-lazy 2>err &&
+ grep "lazy fetching disabled" err &&
+ test_path_is_missing script-executed
+'
+
+test_expect_success 'promisor lazy-fetching can be re-enabled' '
+ rm -f script-executed &&
+ test_must_fail env GIT_NO_LAZY_FETCH=0 \
+ git clone evil lazy-ok 2>err &&
+ grep "fake-upload-pack running" err &&
+ test_path_is_file script-executed
+'
+
test_done
--
2.33.0

108
backport-CVE-2024-32465-wrapper.c-add-x-un-setenv-and-use-xsetenv-in.patch
View File

@ -1,108 +0,0 @@
From 3540c71ea5ddffff6e473249866cbc7abb8ce509 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
<avarab@gmail.com>
Date: Tue, 21 Sep 2021 15:12:59 +0200
Subject: [PATCH] wrapper.c: add x{un,}setenv(), and use xsetenv() in
environment.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add fatal wrappers for setenv() and unsetenv(). In d7ac12b25d3 (Add
set_git_dir() function, 2007-08-01) we started checking its return
value, and since 48988c4d0c3 (set_git_dir: die when setenv() fails,
2018-03-30) we've had set_git_dir_1() die if we couldn't set it.
Let's provide a wrapper for both, this will be useful in many other
places, a subsequent patch will make another use of xsetenv().
The checking of the return value here is over-eager according to
setenv(3) and POSIX. It's documented as returning just -1 or 0, so
perhaps we should be checking -1 explicitly.
Let's just instead die on any non-zero, if our C library is so broken
as to return something else than -1 on error (and perhaps not set
errno?) the worst we'll do is die with a nonsensical errno value, but
we'll want to die in either case.
Let's make these return "void" instead of "int". As far as I can tell
there's no other x*() wrappers that needed to make the decision of
deviating from the signature in the C library, but since their return
value is only used to indicate errors (so we'd die here), we can catch
unreachable code such as
if (xsetenv(...) < 0)
[...];
I think it would be OK skip the NULL check of the "name" here for the
calls to die_errno(). Almost all of our setenv() callers are taking a
constant string hardcoded in the source as the first argument, and for
the rest we can probably assume they've done the NULL check
themselves. Even if they didn't, modern C libraries are forgiving
about it (e.g. glibc formatting it as "(null)"), on those that aren't,
well, we were about to die anyway. But let's include the check anyway
for good measure.
1. https://pubs.opengroup.org/onlinepubs/009604499/functions/setenv.html
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
environment.c | 3 +--
git-compat-util.h | 2 ++
wrapper.c | 12 ++++++++++++
3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/environment.c b/environment.c
index d6b22ede7ea288..7d8a949285c101 100644
--- a/environment.c
+++ b/environment.c
@@ -330,8 +330,7 @@ char *get_graft_file(struct repository *r)
static void set_git_dir_1(const char *path)
{
- if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
- die(_("could not set GIT_DIR to '%s'"), path);
+ xsetenv(GIT_DIR_ENVIRONMENT, path, 1);
setup_git_env(path);
}
diff --git a/git-compat-util.h b/git-compat-util.h
index b46605300abf81..b3ee81602c28e0 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -875,6 +875,8 @@ void *xmemdupz(const void *data, size_t len);
char *xstrndup(const char *str, size_t len);
void *xrealloc(void *ptr, size_t size);
void *xcalloc(size_t nmemb, size_t size);
+void xsetenv(const char *name, const char *value, int overwrite);
+void xunsetenv(const char *name);
void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
const char *mmap_os_err(void);
void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset);
diff --git a/wrapper.c b/wrapper.c
index 7c6586af321000..1460d4e27b03cc 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -145,6 +145,18 @@ void *xcalloc(size_t nmemb, size_t size)
return ret;
}
+void xsetenv(const char *name, const char *value, int overwrite)
+{
+ if (setenv(name, value, overwrite))
+ die_errno(_("could not setenv '%s'"), name ? name : "(null)");
+}
+
+void xunsetenv(const char *name)
+{
+ if (!unsetenv(name))
+ die_errno(_("could not unsetenv '%s'"), name ? name : "(null)");
+}
+
/*
* Limit size of IO chunks, because huge chunks only cause pain. OS X
* 64-bit is buggy, returning EINVAL if len >= INT_MAX; and even in
--
2.33.0

88
git.spec
View File

@ -1,7 +1,7 @@
%global gitexecdir %{_libexecdir}/git-core
Name: git
Version: 2.33.0
Release: 15
Release: 10
Summary: A popular and widely used Version Control System
License: GPLv2+ or LGPLv2.1
URL: https://git-scm.com/
@ -59,25 +59,13 @@ Patch43: backport-CVE-2023-23946-apply-fix-writing-behind-newly-created-symbo
Patch44: backport-CVE-2023-25652-apply-reject-overwrite-existing-.rej-symlink-if-it-e.patch
Patch45: backport-CVE-2023-29007.patch
Patch46: backport-CVE-2023-25815-gettext-avoid-using-gettext-if-the-locale-dir-is-not.patch
Patch47: backport-CVE-2024-32021-builtin-clone-stop-resolving-symlinks-when-copying-f.patch
Patch48: backport-CVE-2024-32021-builtin-clone-abort-when-hardlinked-source-and-targe.patch
Patch49: backport-CVE-2024-32004-t0411-add-tests-for-cloning-from-partial-repo.patch
Patch50: backport-CVE-2024-32004-setup-fix-some-formatting.patch
Patch51: backport-CVE-2024-32004-setup-prepare-for-more-detailed-dubious-ownership-me.patch
Patch52: backport-CVE-2024-32004-fetch-clone-detect-dubious-ownership-of-local-reposi.patch
Patch53: backport-CVE-2024-32020-builtin-clone-refuse-local-clones-of-unsafe-reposito.patch
Patch54: backport-CVE-2024-32465-wrapper.c-add-x-un-setenv-and-use-xsetenv-in.patch
Patch55: backport-CVE-2024-32465-upload-pack-disable-lazy-fetching-by-default.patch
Patch56: backport-CVE-2024-32002-submodule-helper-add-const-to-passed-module_clone_da.patch
Patch57: backport-CVE-2024-32002-submodule-helper-fix-a-leak-in-clone_submodule.patch
Patch58: backport-CVE-2024-32002-submodules-submodule-paths-must-not-contain-symlinks.patch
BuildRequires: gcc gettext
BuildRequires: openssl-devel libcurl-devel expat-devel systemd asciidoc xmlto glib2-devel libsecret-devel pcre2-devel desktop-file-utils
BuildRequires: openssl-devel libcurl-devel expat-devel systemd asciidoc xmlto glib2-devel libsecret-devel pcre-devel desktop-file-utils
BuildRequires: python3-devel perl-generators perl-interpreter perl-Error perl(Test::More) perl-MailTools perl(Test)
Requires: perl(Term::ReadKey) perl-Git git-core = %{version}-%{release}
Obsoletes: %{name}-subtree < %{version}-%{release} %{name}-p4 < %{version}-%{release} git-cvs < %{version}-%{release}
Provides: %{name} = %{version}-%{release} %{name}-subtree = %{version}-%{release} %{name}-p4 = %{version}-%{release}
Requires: less zlib openssh-clients perl(Term::ReadKey) perl-Git git-core = %{version}-%{release}
Obsoletes: %{name}-core-doc %{name}-subtree %{name}-p4 git-cvs < %{version}-%{release}
Provides: %{name} <= %{version}-%{release} %{name}-subtree %{name}-p4
%description
Git is a free and open source distributed version control system
@ -133,8 +121,8 @@ Requires: %{name} = %{version}-%{release} tk
Summary: Git web interfaces
BuildArch: noarch
Requires: %{name} = %{version}-%{release}
Obsoletes: gitweb < %{version}-%{release} %{name}-instaweb < %{version}-%{release}
Provides: gitweb = %{version}-%{release} %{name}-instaweb = %{version}-%{release}
Obsoletes: gitweb %{name}-instaweb
Provides: gitweb %{name}-instaweb
%description web
Git web interface allows user browsing git repositories via web service.
@ -175,8 +163,8 @@ Requires: git = %{version}-%{release} perl(:MODULE_COMPAT_%(perl -V:versi
%package help
Summary: Man pages and documents for Git system
BuildArch: noarch
Obsoletes: %{name}-core-doc < %{version}-%{release}
Provides: %{name}-core-doc = %{version}-%{release}
Obsoletes: %{name}-core-doc
Provides: %{name}-core-doc
%description help
%{summary}.
@ -220,9 +208,9 @@ sed -i -e '1s@#!\( */usr/bin/env python\|%{__python2}\)$@#!%{__python3}@' \
%make_build -C contrib/diff-highlight/
%install
%make_install %{_smp_mflags} install-doc
%make_install %{_smp_mflags} -C contrib/subtree/ install-doc
%make_install %{_smp_mflags} -C contrib/contacts/ install-doc
%make_install install-doc
%make_install -C contrib/subtree/ install-doc
%make_install -C contrib/contacts/ install-doc
install -p -m 644 README.md %{buildroot}%{_pkgdocdir}
install -p -m 644 gitweb/INSTALL %{buildroot}%{_pkgdocdir}/INSTALL.gitweb
@ -270,7 +258,7 @@ sed -i "/Git\/SVN/ d" perl-git-files
# Split core files
not_core_re="git-(add--interactive|contacts|credential-netrc|filter-branch|instaweb|request-pull|send-mail)|gitweb"
grep -vE "$not_core_re|%{_mandir}" bin-man-doc-files > bin-files-core
grep -E "$not_core_re" bin-man-doc-files > git-bin-files
%check
make %{?_smp_mflags} test
@ -286,24 +274,21 @@ make %{?_smp_mflags} test
%files -f git-bin-files
%defattr(-,root,root)
%{_datadir}/git-core/templates/hooks/fsmonitor-watchman.sample
%{_datadir}/git-core/templates/hooks/pre-rebase.sample
%{_datadir}/git-core/templates/hooks/prepare-commit-msg.sample
%{gitexecdir}/git-archimport
%{gitexecdir}/git-credential-libsecret
%{gitexecdir}/git-p4
%{gitexecdir}/git-subtree
%{gitexecdir}/mergetools/p4merge
%{_datadir}/git-core/
%{_datadir}/bash-completion/completions
%doc README.md
%license LGPL-2.1 COPYING
%files core -f bin-files-core
%license LGPL-2.1 COPYING
# exclude is best way here because of troubles with symlinks inside git-core/
%exclude %{_datadir}/git-core/contrib/diff-highlight
%exclude %{_datadir}/git-core/contrib/hooks/multimail
%exclude %{_datadir}/git-core/contrib/hooks/update-paranoid
%exclude %{_datadir}/git-core/contrib/hooks/setgitperms.perl
%exclude %{_datadir}/git-core/templates/hooks/fsmonitor-watchman.sample
%exclude %{_datadir}/git-core/templates/hooks/pre-rebase.sample
%exclude %{_datadir}/git-core/templates/hooks/prepare-commit-msg.sample
%{_datadir}/locale/{bg,ca,de,el,es,fr,id,is,it,ko,pl,pt_PT,ru,sv,tr,vi,zh_CN,zh_TW}/LC_MESSAGES/git.mo
%{_datadir}/bash-completion/completions
%{_datadir}/git-core/
@ -341,7 +326,6 @@ make %{?_smp_mflags} test
%{gitexecdir}/*email*
%files -n perl-Git -f perl-git-files
%{_mandir}/man3/Git.*
%files -n perl-Git-SVN -f perl-git-svn-files
@ -350,43 +334,11 @@ make %{?_smp_mflags} test
%exclude %{_pkgdocdir}/{README.md,*.gitweb}
%{_pkgdocdir}/*
%{_mandir}/man1/git*.1.*
%{_mandir}/man3/Git.*
%{_mandir}/man5/git*.5.*
%{_mandir}/man7/git*.7.*
%changelog
* Mon May 20 2024 fuanan <fuanan3@h-partners.com> - 2.33.0-15
- Type:CVE
- ID:CVE-2024-32002
- SUG:NA
- DESC:Fix CVE-2024-32002
* Thu May 16 2024 fuanan <fuanan3@h-partners.com> - 2.33.0-14
- Type:CVE
- ID:CVE-2024-32021 CVE-2024-32004 CVE-2024-32020 CVE-2024-32465
- SUG:NA
- DESC:Fix CVE-2024-32021 CVE-2024-32004 CVE-2024-32020 CVE-2024-32465
* Fri Jul 7 2023 huyubiao <huyubiao@huawei.com> - 2.33.0-13
- Type:bugfix
- ID:NA
- SUG:NA
- DESC:Specifying Obsoletes and Provides version numbers, prevent upgrade conflicts.
Delete git-core-doc from git, git-core-doc is provided by git-help.
* Wed May 17 2023 fuanan <fuanan3@h-partners.com> - 2.33.0-12
- Type:bugfix
- ID:NA
- SUG:NA
- DESC:Fix duplicate files in git primary package and subpackage
* Thu Apr 27 2023 fuanan <fuanan3@h-partners.com> - 2.33.0-11
- Type:bugfix
- ID:NA
- SUG:NA
- DESC:enable multithreading compilation and installation,
move Git.3pm.gz to perl-Git,avoid installation conflicts,
change BuildRequires from pcre-devel to pcre2-devel.
* Wed Apr 26 2023 fuanan <fuanan3@h-partners.com> - 2.33.0-10
- Type:CVE
- ID:CVE-2023-25652 CVE-2023-29007 CVE-2023-25815