Ubuntu Security Notice USN-2123-1
26th February, 2014
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
File could be made to crash if it processed a specially crafted file.
- file - Tool to determine file types
It was discovered that file incorrectly handled Composite Document files.
An attacker could use this issue to cause file to crash, resulting in a
denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-1571)
Bernd Melchers discovered that file incorrectly handled indirect offset
values. An attacker could use this issue to cause file to consume resources
or crash, resulting in a denial of service. (CVE-2014-1943)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 13.10:
- libmagic1 5.11-2ubuntu4.1
- file 5.11-2ubuntu4.1
- Ubuntu 12.10:
- libmagic1 5.11-2ubuntu0.1
- file 5.11-2ubuntu0.1
- Ubuntu 12.04 LTS:
- libmagic1 5.09-2ubuntu0.2
- file 5.09-2ubuntu0.2
- Ubuntu 10.04 LTS:
- libmagic1 5.03-5ubuntu1.1
- file 5.03-5ubuntu1.1
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.