==========================================================Ubuntu Security Notice USN-648-1 September 30, 2008
A security issue affects the following Ubuntu releases:
Ubuntu 8.04 LTS
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 8.04 LTS:
In general, a standard system upgrade is sufficient to effect the
Philipp Thomas discovered that the ppscan function of nasm contained
an off-by-one error. If a user or automated system were tricked into
assembling a specially crafted ASM file, a remote attacker could execute
arbitrary commands with user privileges.