USN-2939-1: LibTIFF vulnerabilities

USN-2939-1: LibTIFF vulnerabilities

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.

References

CVE-2015-8665,

CVE-2015-8683,

CVE-2015-8781,

CVE-2015-8782,

CVE-2015-8783,

CVE-2015-8784

Source: USN-2939-1: LibTIFF vulnerabilities