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Test ID:1.3.6.1.4.1.25623.1.0.51863
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2005:152
Summary:NOSUMMARY
Description:Description:

The remote host is missing updates announced in
advisory RHSA-2005:152.

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.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2005-152.html

Risk factor : High

CVSS Score:
7.5

Cross-Ref: BugTraq ID: 12445
Common Vulnerability Exposure (CVE) ID: CVE-2005-0337
http://www.securityfocus.com/bid/12445
Bugtraq: 20050204 [USN-74-1] Postfix vulnerability (Google Search)
http://marc.info/?l=bugtraq&m=110763358832637&w=2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11339
http://www.redhat.com/support/errata/RHSA-2005-152.html
http://secunia.com/advisories/14137/
XForce ISS Database: postfix-ipv6-security-bypass(19218)
https://exchange.xforce.ibmcloud.com/vulnerabilities/19218
CopyrightCopyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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