Ubuntu Security Notice USN-2939-1
23rd March, 2016
tiff vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
LibTIFF could be made to crash or run programs as your login if it opened a
specially crafted file.
Software description
- tiff
– Tag Image File Format (TIFF) library
Details
It was discovered that LibTIFF incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a specially
crafted image, a remote attacker could crash the application, leading to a
denial of service, or possibly execute arbitrary code with user privileges.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.10:
-
libtiff5
4.0.3-12.3ubuntu2.1
- Ubuntu 14.04 LTS:
-
libtiff5
4.0.3-7ubuntu0.4
- Ubuntu 12.04 LTS:
-
libtiff4
3.9.5-2ubuntu1.9
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.