tiff: Security fix CVE-2016-3632

CVE-2016-3632 libtiff: The _TIFFVGetField function in tif_dirinfo.c in
LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of
service (out-of-bounds write) or execute arbitrary code via a crafted
TIFF image.

External References:
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3632
http://bugzilla.maptools.org/show_bug.cgi?id=2549
https://bugzilla.redhat.com/show_bug.cgi?id=1325095

The patch is from RHEL7.

(From OE-Core rev: 9206c86239717718be840a32724fd1c190929370)

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Yi Zhao 2016-11-17 16:08:10 +08:00 committed by Richard Purdie
parent bd74e15c1c
commit 075b333e3d
2 changed files with 35 additions and 0 deletions

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@ -0,0 +1,34 @@
From d3f9829a37661749b200760ad6525f77cf77d77a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nikola=20Forr=C3=B3?= <nforro@redhat.com>
Date: Mon, 11 Jul 2016 16:04:34 +0200
Subject: [PATCH 4/8] Fix CVE-2016-3632
CVE-2016-3632 libtiff: The _TIFFVGetField function in tif_dirinfo.c in
LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service
(out-of-bounds write) or execute arbitrary code via a crafted TIFF image.
CVE: CVE-2016-3632
Upstream-Status: Backport [RedHat RHEL7]
Signed-off-by: Yi Zhao <yi.zhao@windirver.com>
---
tools/thumbnail.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/thumbnail.c b/tools/thumbnail.c
index fd1cba5..75e7009 100644
--- a/tools/thumbnail.c
+++ b/tools/thumbnail.c
@@ -253,7 +253,8 @@ static struct cpTag {
{ TIFFTAG_WHITEPOINT, 2, TIFF_RATIONAL },
{ TIFFTAG_PRIMARYCHROMATICITIES, (uint16) -1,TIFF_RATIONAL },
{ TIFFTAG_HALFTONEHINTS, 2, TIFF_SHORT },
- { TIFFTAG_BADFAXLINES, 1, TIFF_LONG },
+ // disable BADFAXLINES, CVE-2016-3632
+ //{ TIFFTAG_BADFAXLINES, 1, TIFF_LONG },
{ TIFFTAG_CLEANFAXDATA, 1, TIFF_SHORT },
{ TIFFTAG_CONSECUTIVEBADFAXLINES, 1, TIFF_LONG },
{ TIFFTAG_INKSET, 1, TIFF_SHORT },
--
2.7.4

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@ -16,6 +16,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://CVE-2016-3623.patch \
file://CVE-2016-3622.patch \
file://CVE-2016-3658.patch \
file://CVE-2016-3632.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"