GLSA 200610-12 Apache mod_tcl: Format string vulnerability
Posted on: 10/24/2006 08:10 PM

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

Gentoo Linux Security Advisory GLSA 200610-12
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http://security.gentoo.org/
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Severity: High
Title: Apache mod_tcl: Format string vulnerability
Date: October 24, 2006
Bugs: #151359
ID: 200610-12

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Synopsis
========

A format string vulnerabilty has been found in Apache mod_tcl, which
could lead to the remote execution of arbitrary code.

Background
==========

Apache mod_tcl is a TCL interpreting module for the Apache 2.x web
server.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apache/mod_tcl lt; 1.0.1 gt;= 1.0.1

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

Sparfell discovered format string errors in calls to the set_var
function in tcl_cmds.c and tcl_core.c.

Impact
======

A remote attacker could exploit the vulnerability to execute arbitrary
code with the rights of the user running the Apache server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mod_tcl users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=www-apache/mod_tcl-1.0.1"

References
==========

[ 1 ] CVE-2006-4154
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4154

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

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

http://security.gentoo.org/glsa/glsa-200610-12.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



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