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Fix CVE-2016-10165, an out-of-bounds heap read in Type_MLU_Read():
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10165
http://seclists.org/oss-sec/2016/q3/288
https://bugzilla.redhat.com/show_bug.cgi?id=1367357
https://security-tracker.debian.org/tracker/CVE-2016-10165
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
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