GLSA-200812-16 : Dovecot: Multiple vulnerabilities

This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200812-16
(Dovecot: Multiple vulnerabilities)

Several vulnerabilities were found in Dovecot:
The 'k'
right in the acl_plugin does not work as expected (CVE-2008-4577,
The dovecot.conf is world-readable, providing
improper protection for the ssl_key_password setting
A permanent Denial of Service with broken mail
headers is possible (CVE-2008-4907)

Impact :

These vulnerabilities might allow a remote attacker to cause a Denial
of Service, to circumvent security restrictions or allow local
attackers to disclose the passphrase of the SSL private key.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Dovecot users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-mail/dovecot-1.1.7-r1'
Users should be aware that dovecot.conf will still be world-readable
after the update. If employing ssl_key_password, it should not be used
in dovecot.conf but in a separate file which should be included with

Risk factor :

Medium / CVSS Base Score : 6.4
CVSS Temporal Score : 5.6
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35108 (gentoo_GLSA-200812-16.nasl)

Bugtraq ID: 31587

CVE ID: CVE-2008-4577