mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 06:18:07 -05:00
b0a567640c
* gnu/packages/patches/cracklib-fix-buffer-overflow.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/password-utils.scm (cracklib)[source]: Use it.
39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
Fix buffer overflow processing long words in Mangle().
|
|
|
|
Patch adpated from upstream commit, omitting changes to 'NEWS':
|
|
|
|
https://github.com/cracklib/cracklib/commit/33d7fa4585247cd2247a1ffa032ad245836c6edb
|
|
|
|
From 33d7fa4585247cd2247a1ffa032ad245836c6edb Mon Sep 17 00:00:00 2001
|
|
From: Jan Dittberner <jan@dittberner.info>
|
|
Date: Thu, 25 Aug 2016 17:17:53 +0200
|
|
Subject: [PATCH] Fix a buffer overflow processing long words
|
|
|
|
A buffer overflow processing long words has been discovered. This commit
|
|
applies the patch from
|
|
https://build.opensuse.org/package/view_file/Base:System/cracklib/0004-overflow-processing-long-words.patch
|
|
by Howard Guo.
|
|
|
|
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=835386 and
|
|
http://www.openwall.com/lists/oss-security/2016/08/23/8
|
|
---
|
|
src/NEWS | 1 +
|
|
src/lib/rules.c | 5 ++---
|
|
2 files changed, 3 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/src/lib/rules.c b/src/lib/rules.c
|
|
index d193cc0..3a2aa46 100644
|
|
--- a/lib/rules.c
|
|
+++ b/lib/rules.c
|
|
@@ -434,9 +434,8 @@ Mangle(input, control) /* returns a pointer to a controlled Mangle */
|
|
{
|
|
int limit;
|
|
register char *ptr;
|
|
- static char area[STRINGSIZE];
|
|
- char area2[STRINGSIZE];
|
|
- area[0] = '\0';
|
|
+ static char area[STRINGSIZE * 2] = {0};
|
|
+ char area2[STRINGSIZE * 2] = {0};
|
|
strcpy(area, input);
|
|
|
|
for (ptr = control; *ptr; ptr++)
|