Buffer overflow in LibTIFF - CVE-2016-9533

Vulnerability identifier: #VU40042

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-9533

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers. Reported as MSVR 35094, aka "PixarLog horizontalDifference heap-buffer-overflow."

LibTIFF
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
libtiff (Red Hat package)

Install update from vendor's website.

libtiff (Red Hat package) - addressed in versions 3.9.4-21.el6_8, 4.0.3-27.el7_3

• http://rhn.redhat.com/errata/RHSA-2017-0225.html
• http://www.debian.org/security/2017/dsa-3762
• http://www.securityfocus.com/bid/94484
• http://www.securityfocus.com/bid/94742
• https://github.com/vadz/libtiff/commit/83a4b92815ea04969d494416eaae3d4c6b338e4a#diff-bdc795f6afeb9558c1012b3cfae729ef

• Multiple vulnerabilities in LibTIFF
• Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7 update for libtiff