IRC Services: Denial of Service

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Gentoo Linux Security Advisory                          
GLSA 200712-12
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                                            http://security.gentoo.or
g/
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  Severity: Normal
     Title: IRC Services: Denial of Service
      Date: December 13, 2007
      Bugs: #199897
        ID: 200712-12

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Synopsis
========

A Denial of Service vulnerability has been reported in IRC
Services.

Background
==========

IRC Services is a system of services to be used with
Internet Relay
Chat networks.

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

   
------------------------------------------------------------
-------
     Package              /  Vulnerable  /                 
Unaffected
   
------------------------------------------------------------
-------
  1  net-irc/ircservices      < 5.0.63                   
   >= 5.0.63

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

loverboy reported that the "default_encrypt()"
function in file
encrypt.c does not properly handle overly long passwords.

Impact
======

A remote attacker could provide an overly long password to
the
vulnerable server, resulting in a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All IRC Services users should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
">=net-irc/ircservices-5.0.63"

References
==========

  [ 1 ] CVE-2007-6122
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-200
7-6122

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

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

  ht
tp://security.gentoo.org/glsa/glsa-200712-12.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
securitygentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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