Gentoo 2510 Published by

A gld security update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200504-10
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http://security.gentoo.org/
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Severity: High
Title: Gld: Remote execution of arbitrary code
Date: April 13, 2005
Bugs: #88904
ID: 200504-10

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Synopsis
=======

Gld contains several serious vulnerabilities, potentially resulting in the execution of arbitrary code as the root user.



Background
=========

Gld is a standalone greylisting server for Postfix.

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

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Package / Vulnerable / Unaffected
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1 mail-filter/gld <= 1.4 >= 1.5

Description
==========

dong-hun discovered several buffer overflows in server.c, as well as several format string vulnerabilities in cnf.c.

Impact
=====

An attacker could exploit this vulnerability to execute arbitrary code with the permissions of the user running Gld, the default user being root.

Workaround
=========

There is no known workaround at this time.

Resolution
=========

All Gld users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/gld-1.5"

References
=========

[ 1 ] SecurityTracker ID 1013678
http://securitytracker.com/alerts/2005/Apr/1013678.html

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

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

http://security.gentoo.org/glsa/glsa-200504-10.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 2005 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