GLSA 200712-19 Syslog-ng: Denial of Service
Posted on: 12/29/2007 06:25 PM

A new security update has been released for Gentoo Linux - Syslog-ng: Denial of Service. Here the announcement:

Gentoo Linux Security Advisory GLSA 200712-19
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http://security.gentoo.org/
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Severity: Normal
Title: Syslog-ng: Denial of Service
Date: December 29, 2007
Bugs: #202718
ID: 200712-19

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Synopsis
========

A Denial of Service vulnerability has been discovered in Syslog-ng.

Background
==========

Syslog-ng is a flexible and scalable system logger.

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

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/syslog-ng lt; 2.0.6 gt;= 2.0.6

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

Oriol Carreras reported a NULL pointer dereference in the
log_msg_parse() function when processing timestamps without a
terminating whitespace character.

Impact
======

A remote attacker could send a specially crafted event to a vulnerable
Syslog-ng server, resulting in a crash.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Syslog-ng users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=app-admin/syslog-ng-2.0.6"

References
==========

[ 1 ] CVE-2007-6437
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6437

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

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

http://security.gentoo.org/glsa/glsa-200712-19.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 2007 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/2.5



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