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Gentoo Linux Security Advisory 201209-09

Gentoo Linux Security Advisory 201209-09
Posted Sep 25, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201209-9 - A vulnerability has been found in Atheme which may lead to Denial of Service or a bypass of security restrictions. Versions less than 6.0.10 are affected.

tags | advisory, denial of service
systems | linux, gentoo
advisories | CVE-2012-1576
MD5 | 2804fa23379148108ea4b00be53cf3ef

Gentoo Linux Security Advisory 201209-09

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201209-09
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http://security.gentoo.org/
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Severity: Normal
Title: Atheme IRC Services: Denial of Service
Date: September 25, 2012
Bugs: #409103
ID: 201209-09

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Synopsis
========

A vulnerability has been found in Atheme which may lead to Denial of
Service or a bypass of security restrictions.

Background
==========

Atheme is a portable and secure set of open-source and modular IRC
services. CertFP is certificate fingerprinting used to authenticate
users to nicknames.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/atheme-services < 6.0.10 >= 6.0.10

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

The myuser_delete() function in account.c does not properly remove
CertFP entries when deleting user accounts.

Impact
======

A remote authenticated attacker may be able to cause a Denial of
Service condition or gain access to an Atheme IRC Services user
account.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Atheme users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/atheme-services-6.0.10"=


References
==========

[ 1 ] CVE-2012-1576
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1576

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

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

http://security.gentoo.org/glsa/glsa-201209-09.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
https://bugs.gentoo.org.

License
=======

Copyright 2012 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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