USN-439-1: file vulnerability

22 March 2007

file vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10

Software Description


Jean-Sebastien Guay-Leroux discovered that “file” did not correctly check the size of allocated heap memory. If a user were tricked into examining a specially crafted file with the “file” utility, a remote attacker could execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 6.10
libmagic1 - 4.17-2ubuntu1.1
Ubuntu 6.06 LTS
libmagic1 - 4.16-0ubuntu3.1
Ubuntu 5.10
libmagic1 - 4.12-1ubuntu1.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the necessary changes.