* gnu/packages/patches/lcms-fix-out-of-bounds-read.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/ghostscript.scm (lcms)[replacement]: New field. [properties]: Specify the 'cpe-name'. (lcms/fixed): New variable.
35 lines
1 KiB
Diff
35 lines
1 KiB
Diff
Fix an out-of-bounds heap read in Type_MLU_Read():
|
|
|
|
http://seclists.org/oss-sec/2016/q3/288
|
|
https://bugzilla.redhat.com/show_bug.cgi?id=1367357
|
|
|
|
Patch copied from upstream source repository:
|
|
|
|
https://github.com/mm2/Little-CMS/commit/5ca71a7bc18b6897ab21d815d15e218e204581e2
|
|
|
|
From 5ca71a7bc18b6897ab21d815d15e218e204581e2 Mon Sep 17 00:00:00 2001
|
|
From: Marti <marti.maria@tktbrainpower.com>
|
|
Date: Mon, 15 Aug 2016 23:31:39 +0200
|
|
Subject: [PATCH] Added an extra check to MLU bounds
|
|
|
|
Thanks to Ibrahim el-sayed for spotting the bug
|
|
---
|
|
src/cmstypes.c | 1 +
|
|
1 file changed, 1 insertion(+)
|
|
|
|
diff --git a/src/cmstypes.c b/src/cmstypes.c
|
|
index cb61860..c7328b9 100644
|
|
--- a/src/cmstypes.c
|
|
+++ b/src/cmstypes.c
|
|
@@ -1460,6 +1460,7 @@ void *Type_MLU_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsU
|
|
|
|
// Check for overflow
|
|
if (Offset < (SizeOfHeader + 8)) goto Error;
|
|
+ if ((Offset + Len) > SizeOfTag + 8) goto Error;
|
|
|
|
// True begin of the string
|
|
BeginOfThisString = Offset - SizeOfHeader - 8;
|
|
--
|
|
2.11.0
|
|
|