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Gentoo Linux Security Advisory                           GLSA 200807-12
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: BitchX: Multiple vulnerabilities
      Date: July 21, 2008
      Bugs: #190667
        ID: 200807-12

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Synopsis
=======
Multiple vulnerabilities in BitchX may allow for the remote execution
of arbitrary code or symlink attacks.

Background
=========
BitchX is an IRC client.

Affected packages
================
    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  net-irc/bitchx      <= 1.1-r4                         Vulnerable!
    -------------------------------------------------------------------
     NOTE: Certain packages are still vulnerable. Users should migrate
           to another package if one is available or wait for the
           existing packages to be marked stable by their
           architecture maintainers.

Description
==========
bannedit reported a boundary error when handling overly long IRC MODE
messages (CVE-2007-4584). Nico Golde reported an insecure creation of a
temporary file within the e_hostname() function (CVE-2007-5839).

Impact
=====
A remote attacker could entice a user to connect to a malicious IRC
server, resulting in the remote execution of arbitrary code with the
privileges of the user running the application. A local attacker could
perform symlink attacks to overwrite arbitrary files on the local
machine.

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

Resolution
=========
Since BitchX is no longer maintained, we recommend that users unmerge
the vulnerable package and switch to another IRC client:

    # emerge --unmerge "net-irc/bitchx"

References
=========
  [ 1 ] CVE-2007-4584
        https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4584
  [ 2 ] CVE-2007-5839
        https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5839

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

  https://security.gentoo.org/glsa/glsa-200807-12.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
https://bugs.gentoo.org.

License
======
Copyright 2008 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
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