libtiff: CVE-2013-4243

libtiff: CVE-2013-4243

cve description:
Heap-based buffer overflow in the readgifimage function in the gif2tiff
tool in libtiff 4.0.3 and earlier allows remote attackers to cause a denial
of service (crash) and possibly execute arbitrary code via a crafted height
and width values in a GIF image.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4243

Signed-off-by: Baogen Shang <baogen.shang@windriver.com>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>