Ubuntu Security Notice USN-439-2
11th June, 2007
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
USN-439-1 fixed a vulnerability in file. The original fix did not
fully solve the problem. This update provides a more complete solution.
Original advisory details:
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.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.04:
- libmagic1 4.19-1ubuntu2.1
- Ubuntu 6.10:
- libmagic1 4.17-2ubuntu1.2
- Ubuntu 6.06 LTS:
- libmagic1 4.16-0ubuntu3.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the