Remote Yes

Type Arbitrary code execution

Description

An out-of-bounds write flaw was found in libtiff v4.0.6 when using tiffcp command to handle malicious tiff file. The vulnerability exists in the function horizontalDifference8(). An attacker could control the head data of next heap which contains pre_size field and size filed to result in denial of service or arbitrary code execution.

AVG-86 lib32-libtiff 4.0.6-2 4.0.7-1 Critical Fixed

AVG-85 libtiff 4.0.6-2 4.0.7-1 Critical Fixed

25 Nov 2016 ASA-201611-27 AVG-86 lib32-libtiff Critical multiple issues

25 Nov 2016 ASA-201611-26 AVG-85 libtiff Critical multiple issues

http://seclists.org/oss-sec/2016/q2/57
http://bugzilla.maptools.org/show_bug.cgi?id=2544