ProFTPD < 1.3.2b / 1.3.3x < 1.3.3rc2 client-hostname restriction bypass
Medium Nessus Plugin ID 106752
Synopsis
The remote FTP server is affected by a Denial of Service
vulnerability.
Description
The remote host is using ProFTPD, a free FTP server for Unix and
Linux.
According to its banner, the version of ProFTPD installed on the
remote host is 1.3.2x prior to 1.3.2b or 1.3.3x prior to 1.3.3rc2
and is affected by a mitigation bypass vulnerability when
the dNSNameRequired TLS option is enabled.
Solution
Upgrade to ProFTPD version 1.3.2b / 1.3.3rc2 or later.