fix CVE-2024-34064

(cherry picked from commit b258171e633566d5e402b98b02598754fca4e27a)
This commit is contained in:
JackWei 2024-05-11 10:24:42 +08:00 committed by openeuler-sync-bot
parent f79a78ffcd
commit 2b9bbb5f92
2 changed files with 118 additions and 2 deletions

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@ -0,0 +1,109 @@
From 0668239dc6b44ef38e7a6c9f91f312fd4ca581cb Mon Sep 17 00:00:00 2001
From: David Lord <davidism@gmail.com>
Date: Thu, 2 May 2024 09:14:00 -0700
Subject: [PATCH] disallow invalid characters in keys to xmlattr filter
Reference:https://github.com/pallets/jinja/commit/0668239dc6b44ef38e7a6c9f91f312fd4ca581cb
Conflict:NA
---
Jinja2-3.0.3/CHANGES.rst | 6 ++++++
Jinja2-3.0.3/src/jinja2/filters.py | 22 +++++++++++++++++-----
Jinja2-3.0.3/tests/test_filters.py | 11 ++++++-----
3 files changed, 29 insertions(+), 10 deletions(-)
diff --git a/Jinja2-3.0.3/CHANGES.rst b/Jinja2-3.0.3/CHANGES.rst
index 9c58019..a62255b 100644
--- a/Jinja2-3.0.3/CHANGES.rst
+++ b/Jinja2-3.0.3/CHANGES.rst
@@ -1,5 +1,11 @@
.. currentmodule:: jinja2
+- The ``xmlattr`` filter does not allow keys with ``/`` solidus, ``>``
+ greater-than sign, or ``=`` equals sign, in addition to disallowing spaces.
+ Regardless of any validation done by Jinja, user input should never be used
+ as keys to this filter, or must be separately validated first.
+ GHSA-h75v-3vvj-5mfj
+
Version 3.0.3
-------------
diff --git a/Jinja2-3.0.3/src/jinja2/filters.py b/Jinja2-3.0.3/src/jinja2/filters.py
index 002e129..f3d4fca 100644
--- /Jinja2-3.0.3a/src/jinja2/filters.py
+++ b/Jinja2-3.0.3/src/jinja2/filters.py
@@ -270,7 +270,9 @@ def do_lower(s: str) -> str:
"""Convert a value to lowercase."""
return soft_str(s).lower()
-_space_re = re.compile(r"\s", flags=re.ASCII)
+# Check for characters that would move the parser state from key to value.
+# https://html.spec.whatwg.org/#attribute-name-state
+_attr_key_re = re.compile(r"[\s/>=]", flags=re.ASCII)
@pass_eval_context
def do_xmlattr(
@@ -279,8 +281,14 @@ def do_xmlattr(
"""Create an SGML/XML attribute string based on the items in a dict.
All values that are neither `none` nor `undefined` are automatically
escaped:
- If any key contains a space, this fails with a ``ValueError``. Values that
- are neither ``none`` nor ``undefined`` are automatically escaped.
+ **Values** that are neither ``none`` nor ``undefined`` are automatically
+ escaped, safely allowing untrusted user input.
+
+ User input should not be used as **keys** to this filter. If any key
+ contains a space, ``/`` solidus, ``>`` greater-than sign, or ``=`` equals
+ sign, this fails with a ``ValueError``. Regardless of this, user input
+ should never be used as keys to this filter, or must be separately validated
+ first.
.. sourcecode:: html+jinja
<ul{{ {'class': 'my_list', 'missing': none,
@@ -299,6 +307,10 @@ def do_xmlattr(
As you can see it automatically prepends a space in front of the item
if the filter returned something unless the second parameter is false.
+ .. versionchanged:: 3.1.4
+ Keys with ``/`` solidus, ``>`` greater-than sign, or ``=`` equals sign
+ are not allowed.
+
.. versionchanged:: 3.1.3
Keys with spaces are not allowed.
"""
@@ -308,8 +320,8 @@ def do_xmlattr(
if value is None or isinstance(value, Undefined):
continue
- if _space_re.search(key) is not None:
- raise ValueError(f"Spaces are not allowed in attributes: '{key}'")
+ if _attr_key_re.search(key) is not None:
+ raise ValueError(f"Invalid character in attribute name: {key!r}")
items.append(f'{escape(key)}="{escape(value)}"')
diff --git a/Jinja2-3.0.3/tests/test_filters.py b/Jinja2-3.0.3/tests/test_filters.py
index 45843fd..6533370 100644
--- a/Jinja2-3.0.3/tests/test_filters.py
+++ b/Jinja2-3.0.3/tests/test_filters.py
@@ -463,11 +463,12 @@ class TestFilter:
assert 'bar="23"' in out
assert 'blub:blub="&lt;?&gt;"' in out
- def test_xmlattr_key_with_spaces(self, env):
- with pytest.raises(ValueError, match="Spaces are not allowed"):
- env.from_string(
- "{{ {'src=1 onerror=alert(1)': 'my_class'}|xmlattr }}"
- ).render()
+ @pytest.mark.parametrize("sep", ("\t", "\n", "\f", " ", "/", ">", "="))
+ def test_xmlattr_key_invalid(self, env: Environment, sep: str) -> None:
+ with pytest.raises(ValueError, match="Invalid character"):
+ env.from_string("{{ {key: 'my_class'}|xmlattr }}").render(
+ key=f"class{sep}onclick=alert(1)"
+ )
def test_sort1(self, env):
tmpl = env.from_string("{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}")
--
2.33.0

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@ -2,13 +2,14 @@
Name: python-jinja2
Version: 3.0.3
Release: 3
Release: 4
Summary: A full-featured template engine for Python
License: BSD
URL: http://jinja.pocoo.org/
Source0: https://files.pythonhosted.org/packages/source/J/Jinja2/Jinja2-%{version}.tar.gz
Patch6000: backport-CVE-2024-22195.patch
Patch6001: backport-CVE-2024-34064.patch
BuildArch: noarch
@ -64,7 +65,13 @@ popd
%doc Jinja2-%{version}/examples
%changelog
* Mon Jan 22 2024 weihaohao <weihaohao2.huawei.com> - 3.0.3-3
* Fri May 10 2024 weihaohao <weihaohao2@huawei.com> - 3.0.3-4
- Type:CVE
- CVE:CVE-2024-34064
- SUG:NA
- DESC:fix CVE-2024-34064
* Mon Jan 22 2024 weihaohao <weihaohao2@huawei.com> - 3.0.3-3
- Type:CVE
- CVE:CVE-2024-22195
- SUG:NA