The remote host is missing an update to file announced via advisory USN-439-2.
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04
This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.
Details follow:
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.
Solution: The problem can be corrected by upgrading your system to the following package versions:
Ubuntu 6.06 LTS: libmagic1 4.16-0ubuntu3.2
Ubuntu 6.10: libmagic1 4.17-2ubuntu1.2
Ubuntu 7.04: libmagic1 4.19-1ubuntu2.1
In general, a standard system upgrade is sufficient to effect the necessary changes.