RHEL 4 : postfix (RHSA-2005:152)

High Nessus Plugin ID 17339


The remote Red Hat host is missing one or more security updates.


Updated postfix packages that include a security fix and two other bug fixes are now available for Red Hat Enterprise Linux 4.

This update has been rated as having low security impact by the Red Hat Security Response Team

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), and TLS.

A flaw was found in the ipv6 patch used with Postfix. When the file /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, this flaw could allow remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2005-0337 to this issue.

These updated packages also fix the following problems :

- wrong permissions on doc directory - segfault when gethostbyname or gethostbyaddr fails

All users of postfix should upgrade to these updated packages, which contain patches which resolve these issues.


Update the affected postfix and / or postfix-pflogsumm packages.

See Also



Plugin Details

Severity: High

ID: 17339

File Name: redhat-RHSA-2005-152.nasl

Version: $Revision: 1.19 $

Type: local

Agent: unix

Published: 2005/03/16

Modified: 2016/12/28

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:postfix, p-cpe:/a:redhat:enterprise_linux:postfix-pflogsumm, cpe:/o:redhat:enterprise_linux:4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Patch Publication Date: 2005/03/16

Vulnerability Publication Date: 2005/02/04

Reference Information

CVE: CVE-2005-0337

OSVDB: 13470

RHSA: 2005:152