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
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1 app-admin/syslog-ng < 2.0.6 >= 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 ">=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
