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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 < 8.13.6 >= 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 ">=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 (at) gentoo (dot) org [email concealed] 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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