fix possible buffer overflow in get_path

Signed-off-by: weiyaping <weiyaping@xfusion.com>
This commit is contained in:
weiyaping 2023-12-19 15:50:58 +08:00
parent 2228c20fb7
commit e6dedd0e68
2 changed files with 33 additions and 1 deletions

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@ -0,0 +1,27 @@
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;
--
2.42.0.windows.2

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@ -1,12 +1,14 @@
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
BuildRequires: findutils glibc-common make autoconf automake libtool
Patch0001: 0001-fix-possible-buffer-overflow-in-get_path.patch
%description
The dotconf package contains a library used to handle configuration
files.
@ -62,6 +64,9 @@ mv %{buildroot}/%{_docdir}/%{name} __doc_dir
%doc __doc_dir/*
%changelog
* Tue Dec 19 2023 liubo <liubo1@xfusion.com> - 1.3-24
- fix possible buffer overflow in get_path
* Thu Sep 17 2020 liuweibo <liuweibo10@huawei.com> - 1.3-23
- Fix Source0