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Gentoo Linux Security Advisory                           GLSA 201405-21
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                                            https://security.gentoo.org/
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 Severity: Normal
    Title: Charybdis, ShadowIRCd: Denial of Service
     Date: May 18, 2014
     Bugs: #449544, #449790
       ID: 201405-21

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Synopsis
=======
A vulnerability has been found in Charybdis and ShadowIRCd, possibly
resulting in remote Denial of Service.

Background
=========
Charybdis is the Atheme Project's IRC daemon based on ratbox.
ShadowIRCd is an IRC daemon based on Charybdis that adds several useful
features.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-irc/charybdis            < 3.4.2                    >= 3.4.2 
  2  net-irc/shadowircd           < 6.3.3                    >= 6.3.3 
    -------------------------------------------------------------------
     2 affected packages

Description
==========
A vulnerability has been discovered in Charybdis and ShadowIRCd. Please
review the CVE identifier referenced below for details.

Impact
=====
A remote attacker may be able to cause a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Charybdis users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-irc/charybdis-3.4.2"

All ShadowIRCd users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-irc/shadowircd-6.3.3"

References
=========
[ 1 ] CVE-2012-6084
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6084

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

 https://security.gentoo.org/glsa/201405-21

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 2014 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.

https://creativecommons.org/licenses/by-sa/2.5/