http://xforce.iss.net/xforce/alerts/id/154
Problem Description:
A vulnerability was discovered by X-Force Research at ISS in ProFTPD's
handling of ASCII translation. An attacker, by downloading a carefully
crafted file, can remotely exploit this bug to create a root shell.
Affected Versions:
ProFTPD 1.2.7
ProFTPD 1.2.8
ProFTPD 1.2.8rc1
ProFTPD 1.2.8rc2
ProFTPD 1.2.9rc1
ProFTPD 1.2.9rc2