[ GLSA 200603-21 ] Sendmail: Race condition in the handling of asynchronous signals
From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200603-21 ] Sendmail: Race condition in the handling of asynchronous signals
Date: Wed, 22 Mar 2006 20:52:34 +0100
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Organization: Gentoo Linux Security Team
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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@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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