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authorZhixiong Chi <zhixiong.chi@windriver.com>2016-11-28 09:52:13 (GMT)
committerSona Sarmadi <sona.sarmadi@enea.com>2017-02-10 11:21:39 (GMT)
commit6c6fedcb239a188807cdf228a3e0ed116523bf1b (patch)
treed7214755fcecbf221d1e5b5949c366e29179686d
parent570f9f9c8ba5c5772152dac6203d317e44d00889 (diff)
downloadpoky-6c6fedcb239a188807cdf228a3e0ed116523bf1b.tar.gz
tiff: Security fix CVE-2016-9539
tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092. External References: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9539 Patch from: https://github.com/vadz/libtiff/commit/ae9365db1b271b62b35ce018eac8799b1d5e8a53 (From OE-Core rev: 58bf0a237ca28459eb8c3afa030c0054f5bc1f16) (From OE-Core rev: 0933a11707a369c8eaefebd31e8eea634084d66e) Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
-rw-r--r--meta/recipes-multimedia/libtiff/files/CVE-2016-9539.patch60
-rw-r--r--meta/recipes-multimedia/libtiff/tiff_4.0.6.bb1
2 files changed, 61 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-9539.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-9539.patch
new file mode 100644
index 0000000..1d9be42
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-9539.patch
@@ -0,0 +1,60 @@
1From ae9365db1b271b62b35ce018eac8799b1d5e8a53 Mon Sep 17 00:00:00 2001
2From: erouault <erouault>
3Date: Fri, 14 Oct 2016 19:13:20 +0000
4Subject: [PATCH ] * tools/tiffcrop.c: fix out-of-bound read of up to 3 bytes
5 in readContigTilesIntoBuffer(). Reported as MSVR 35092 by Axel Souchet
6 & Vishal Chauhan from the MSRC Vulnerabilities & Mitigations team.
7
8CVE: CVE-2016-9539
9
10Upstream-Status: Backport
11https://github.com/vadz/libtiff/commit/ae9365db1b271b62b35ce018eac8799b1d5e8a53
12
13Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com>
14
15---
16 ChangeLog | 6 ++++++
17 tools/tiffcrop.c | 11 ++++++++++-
18 2 files changed, 16 insertions(+), 1 deletion(-)
19
20Index: tiff-4.0.6/ChangeLog
21===================================================================
22--- tiff-4.0.6.orig/ChangeLog 2016-11-28 14:56:32.109283913 +0800
23+++ tiff-4.0.6/ChangeLog 2016-11-28 16:36:01.805325534 +0800
24@@ -17,6 +17,12 @@
25 Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2500
26 (CVE-2014-8127, duplicate: CVE-2016-3658)
27
28+2016-10-14 Even Rouault <even.rouault at spatialys.com>
29+
30+ * tools/tiffcrop.c: fix out-of-bound read of up to 3 bytes in
31+ readContigTilesIntoBuffer(). Reported as MSVR 35092 by Axel Souchet
32+ & Vishal Chauhan from the MSRC Vulnerabilities & Mitigations team.
33+
34 2016-10-08 Even Rouault <even.rouault at spatialys.com>
35
36 * tools/tiffcp.c: fix out-of-bounds write on tiled images with odd
37Index: tiff-4.0.6/tools/tiffcrop.c
38===================================================================
39--- tiff-4.0.6.orig/tools/tiffcrop.c 2016-11-28 14:56:31.433283908 +0800
40+++ tiff-4.0.6/tools/tiffcrop.c 2016-11-28 16:42:13.793328128 +0800
41@@ -819,9 +819,18 @@
42 }
43 }
44
45- tilebuf = _TIFFmalloc(tile_buffsize);
46+ /* Add 3 padding bytes for extractContigSamplesShifted32bits */
47+ if( tile_buffsize > 0xFFFFFFFFU - 3 )
48+ {
49+ TIFFError("readContigTilesIntoBuffer", "Integer overflow when calculating buffer size.");
50+ exit(-1);
51+ }
52+ tilebuf = _TIFFmalloc(tile_buffsize + 3);
53 if (tilebuf == 0)
54 return 0;
55+ tilebuf[tile_buffsize] = 0;
56+ tilebuf[tile_buffsize+1] = 0;
57+ tilebuf[tile_buffsize+2] = 0;
58
59 dst_rowsize = ((imagewidth * bps * spp) + 7) / 8;
60 for (row = 0; row < imagelength; row += tl)
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 3057121..3a7906a 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -18,6 +18,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
18 file://CVE-2016-3658.patch \ 18 file://CVE-2016-3658.patch \
19 file://CVE-2016-3632.patch \ 19 file://CVE-2016-3632.patch \
20 file://CVE-2016-9540.patch \ 20 file://CVE-2016-9540.patch \
21 file://CVE-2016-9539.patch \
21 " 22 "
22 23
23SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72" 24SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"