This script is Copyright (C) 2011 Tenable Network Security, Inc.
The remote mail server is potentially affected by a memory corruption
According to its banner, the version of the Postfix mail server
listening on this port is earlier than 2.5.13, 2.6.19, 2.7.4, or
2.8.3. Such versions may be vulnerable to a memory corruption attack
if they have Cyrus SASL enabled and are allowing authentication
methods other than ANONYMOUS, LOGIN, and PLAIN. Code execution as the
unprivileged postfix user may also be possible.
Note that Nessus did not test whether the remote server was using
Cyrus specifically, as opposed to another SASL library such as
See also :
Upgrade to Postfix 2.5.13 / 2.6.19 / 2.7.4 / 2.8.3 or later.
Risk factor :
Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.0
Public Exploit Available : false