The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of LibTIFF: buffer overflow via writeBufferToSeparateStrips

Synthesis of the vulnerability 

An attacker can generate a buffer overflow via writeBufferToSeparateStrips of LibTIFF, in order to trigger a denial of service, and possibly to run code.
Impacted software: Debian, LibTIFF, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 14/11/2016.
Références of this announce: CVE-2016-9532, DLA-716-1, DSA-3762-1, USN-3212-1, USN-3212-2, VIGILANCE-VUL-21100.

Description of the vulnerability 

An attacker can generate a buffer overflow via writeBufferToSeparateStrips of LibTIFF, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This threat bulletin impacts software or systems such as Debian, LibTIFF, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer threat.

Solutions for this threat 

LibTIFF: patch for writeBufferToSeparateStrips.
A patch is available in the last CVS version:
  export CVSROOT=:pserver:cvsanon@cvs.maptools.org:/cvs/maptools/cvsroot
  cvs login
  cvs checkout libtiff

Debian 7: new tiff packages.
New packages are available:
  Debian 7: tiff 4.0.2-6+deb7u8

Debian 8: new tiff packages (16/01/2017).
New packages are available:
  Debian 8: tiff 4.0.3-12.3+deb8u2

Ubuntu: new LibTIFF packages.
New packages are available:
  Ubuntu 16.10: LibTIFF-tools 4.0.6-2ubuntu0.2, libtiff5 4.0.6-2ubuntu0.2
  Ubuntu 16.04 LTS: LibTIFF-tools 4.0.6-1ubuntu0.2, libtiff5 4.0.6-1ubuntu0.2
  Ubuntu 14.04 LTS: LibTIFF-tools 4.0.3-7ubuntu0.7, libtiff5 4.0.3-7ubuntu0.7
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides networks vulnerabilities alerts. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.