Postfix epoll File Descriptor Leak Local DoS

This script is Copyright (C) 2008-2014 Tenable Network Security, Inc.

Synopsis :

The remote mail server is vulnerable to a local denial of service

Description :

According to its banner, the version of Postfix running on the remote
host leaks 'epoll' file descriptors when it executes non-Postfix
commands from, say, a user's .forward file. A local attacker can
access the leaked epoll descriptor to launch a denial of service
attack against Postfix.

Note that this issue only affects hosts running Linux with a 2.6

See also :

Solution :

Upgrade to Postfix 2.4.9 / 2.5.5 / 2.6-20080902 or later.

Risk factor :

Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.6
Public Exploit Available : true

Family: SMTP problems

Nessus Plugin ID: 34347 ()

Bugtraq ID: 30977

CVE ID: CVE-2008-3889

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