Buffer overflow in LibTIFF - CVE-2016-9540

Vulnerability identifier: #VU40036

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-2016-9540

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.

tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka "cpStripToTile 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
Dynamic System Analysis (DSA) Preboot
libtiff (Red Hat package)

Install update from vendor's website.

Dynamic System Analysis (DSA) Preboot - update to dsyte2z-9.65
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/94747
• https://github.com/vadz/libtiff/commit/5ad9d8016fbb60109302d558f7edb2cb2a3bb8e3

• Multiple vulnerabilities in LibTIFF
• Multiple vulnerabilities in IBM Dynamic System Analysis (DSA) Preboot
• Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7 update for libtiff