USN-2162-1: file vulnerability

Ubuntu Security Notice USN-2162-1

7th April, 2014

file vulnerability

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.

Software description

  • file - Tool to determine file types


It was discovered that file incorrectly handled PE executable files. An
attacker could use this issue to cause file to crash, resulting in a denial
of service.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 13.10:
libmagic1 5.11-2ubuntu4.2
file 5.11-2ubuntu4.2
Ubuntu 12.10:
libmagic1 5.11-2ubuntu0.2
file 5.11-2ubuntu0.2
Ubuntu 12.04 LTS:
libmagic1 5.09-2ubuntu0.3
file 5.09-2ubuntu0.3
Ubuntu 10.04 LTS:
libmagic1 5.03-5ubuntu1.2
file 5.03-5ubuntu1.2

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.