GLSA 200608-18 Net::Server: Format string vulnerability

Posted by Bob on: 08/10/2006 02:42 PM [ Print | 0 comment(s) ]

A new security update has been released for Gentoo Linux - Net::Server: Format string vulnerability. Here the announcement:

Gentoo Linux Security Advisory GLSA 200608-18
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http://security.gentoo.org/
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Severity: Normal
Title: Net::Server: Format string vulnerability
Date: August 10, 2006
Bugs: #142386
ID: 200608-18

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Synopsis
========

A format string vulnerability has been reported in Net::Server which
can be exploited to cause a Denial of Service.

Background
==========

Net::Server is an extensible, generic Perl server engine. It is used by
several Perl applications like Postgrey.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-perl/net-server lt; 0.88 gt;= 0.88

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

The log function of Net::Server does not handle format string
specifiers properly before they are sent to syslog.

Impact
======

By sending a specially crafted datastream to an application using
Net::Server, an attacker could cause a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Net::Server should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=dev-perl/net-server-0.88"

References
==========

[ 1 ] CVE-2005-1127
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1127

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

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

http://security.gentoo.org/glsa/glsa-200608-18.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/2.5