#VU3802 Out-of-bounds write in LibTIFF - CVE-2016-3632

Vulnerability identifier: #VU3802

Vulnerability risk: High

CVSSv4.0: 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/E:U/U:Amber

CVE-ID: CVE-2016-3632

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
LibTIFF

Software vendor:
LibTIFF

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code.

The weakness exists in the _TIFFVGetField function in tif_dirinfo.c due to out-of-bounds write. A remote attacker can supply a specially crafted TIFF image and cause the service to crash or execute arbitrary code with elevated privileges.

Install update from vendor's website.

• http://bugzilla.maptools.org/show_bug.cgi?id=2549