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https://git.yoctoproject.org/poky
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Baogen Shang
c4c31eb761
cve description: The LZW decompressor in the gif2tiff tool in libtiff 4.0.3 and earlier allows context-dependent attackers to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a crafted GIF image. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4244 (From OE-Core rev: 4eec8fae3f972a27bfb986066f5b3603599ebc25) Signed-off-by: Baogen Shang <baogen.shang@windriver.com> Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
20 lines
587 B
Diff
20 lines
587 B
Diff
This patch comes from: https://github.com/vadz/libtiff/commit/ce6841d9e41d621ba23cf18b190ee6a23b2cc833
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Upstream-Status: Backport
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Signed-off-by: Baogen shang <baogen.shang@windriver.com>
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--- a/tools/gif2tiff.c 2013-12-17 16:46:02.160814995 +0800
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+++ b/tools/gif2tiff.c 2013-12-17 16:52:25.140814949 +0800
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@@ -406,6 +406,11 @@
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return 0;
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}
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if (oldcode == -1) {
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+ if (code >= clear) {
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+ fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
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+ return 0;
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+ }
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+
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*(*fill)++ = suffix[code];
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firstchar = oldcode = code;
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return 1;
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