Fix possible buffer overflow in get_path

(cherry picked from commit 1cb7dad7b4c456244dd50c9deecaa9c2bc989c1c)
This commit is contained in:
starlet-dx 2023-11-29 14:17:41 +08:00 committed by openeuler-sync-bot
parent 7432351481
commit 9da947a944
2 changed files with 30 additions and 1 deletions

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@ -0,0 +1,24 @@
From 6382711e9b0060bbd0408df512e48b2ce9cdb3be Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Tue, 22 Jun 2010 14:16:45 -0500
Subject: [PATCH] fix possible buffer overflow in get_path
If a pathname is longer than CFG_MAX_FILENAME, there was a possible
buffer overflow when copying the path name.
---
src/dotconf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/dotconf.c b/src/dotconf.c
index af553b3..7ba2001 100644
--- a/src/dotconf.c
+++ b/src/dotconf.c
@@ -1440,7 +1440,7 @@ char *get_path(char *name)
} else {
len = tmp - name + 1;
if (len > CFG_MAX_FILENAME)
- len -= 1;
+ len = CFG_MAX_FILENAME;
}
snprintf(buf, len, "%s", name);
return buf;

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@ -1,10 +1,12 @@
Name: dotconf
Version: 1.3
Release: 23
Release: 24
Summary: A configuration file parser
License: LGPLv2
URL: https://github.com/williamh/dotconf
Source: https://github.com/williamh/dotconf/archive/v%{version}.tar.gz
# https://github.com/williamh/dotconf/commit/6382711e9b0060bbd0408df512e48b2ce9cdb3be
Patch0: Fix-possible-buffer-overflow-in-get_path.patch
BuildRequires: findutils glibc-common make autoconf automake libtool
%description
@ -62,6 +64,9 @@ mv %{buildroot}/%{_docdir}/%{name} __doc_dir
%doc __doc_dir/*
%changelog
* Wed Nov 29 2023 yaoxin <yao_xin001@hoperun.com> - 1.3-24
- Fix possible buffer overflow in get_path
* Tue Sep 8 2020 liuweibo <liuweibo10@huawei.com> - 1.3-23
- Fix Source0