ed7732bc62
* gnu/packages/patches/lcms-fix-out-of-bounds-read.patch: Rename to ... * gnu/packages/patches/lcms-CVE-2016-10165.patch: ... this. * gnu/local.mk (dist_patch_DATA): Adjust. * gnu/packages/ghostscript.scm (lcms)[source]: Use renamed patch. Signed-off-by: Marius Bakke <mbakke@fastmail.com>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
Fix CVE-2016-10165, an out-of-bounds heap read in Type_MLU_Read():
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10165
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http://seclists.org/oss-sec/2016/q3/288
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https://bugzilla.redhat.com/show_bug.cgi?id=1367357
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https://security-tracker.debian.org/tracker/CVE-2016-10165
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Patch copied from upstream source repository:
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https://github.com/mm2/Little-CMS/commit/5ca71a7bc18b6897ab21d815d15e218e204581e2
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From 5ca71a7bc18b6897ab21d815d15e218e204581e2 Mon Sep 17 00:00:00 2001
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From: Marti <marti.maria@tktbrainpower.com>
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Date: Mon, 15 Aug 2016 23:31:39 +0200
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Subject: [PATCH] Added an extra check to MLU bounds
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Thanks to Ibrahim el-sayed for spotting the bug
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---
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src/cmstypes.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/cmstypes.c b/src/cmstypes.c
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index cb61860..c7328b9 100644
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--- a/src/cmstypes.c
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+++ b/src/cmstypes.c
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@@ -1460,6 +1460,7 @@ void *Type_MLU_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsU
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// Check for overflow
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if (Offset < (SizeOfHeader + 8)) goto Error;
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+ if ((Offset + Len) > SizeOfTag + 8) goto Error;
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// True begin of the string
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BeginOfThisString = Offset - SizeOfHeader - 8;
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--
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2.11.0
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