GLSA 200603-21 Sendmail: Race condition in the handling of asynchronous signals
Posted on: 03/22/2006 09:22 PM

A new security update has been released for Gentoo Linux - Sendmail: Race condition in the handling of asynchronous signals. Here the announcement:

Gentoo Linux Security Advisory GLSA 200603-21
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http://security.gentoo.org/
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Severity: High
Title: Sendmail: Race condition in the handling of asynchronous
signals
Date: March 22, 2006
Bugs: #125623
ID: 200603-21

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Synopsis
========

Sendmail is vulnerable to a race condition which could lead to the
execution of arbitrary code with sendmail privileges.

Background
==========

Sendmail is a popular mail transfer agent (MTA).

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/sendmail lt; 8.13.6 gt;= 8.13.6

Description
===========

ISS discovered that Sendmail is vulnerable to a race condition in the
handling of asynchronous signals.

Impact
======

An attacker could exploit this via certain crafted timing conditions.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Sendmail users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=mail-mta/sendmail-8.13.6"

References
==========

[ 1 ] CVE-2006-0058
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0058
[ 2 ] Sendmail Inc. advisory
http://www.sendmail.com/company/advisory/index.shtml

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200603-21.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0



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