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Gentoo Linux Security Advisory                           GLSA 200807-09
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: Mercurial: Directory traversal
      Date: July 15, 2008
      Bugs: #230193
        ID: 200807-09

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Synopsis
=======
A directory traversal vulnerability in Mercurial allows for the
renaming of arbitrary files.

Background
=========
Mercurial is a distributed Source Control Management system.

Affected packages
================
    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  dev-util/mercurial     < 1.0.1-r2                     >= 1.0.1-r2

Description
==========
Jakub Wilk discovered a directory traversal vulnerabilty in the
applydiff() function in the mercurial/patch.py file.

Impact
=====
A remote attacker could entice a user to import a specially crafted
patch, possibly resulting in the renaming of arbitrary files, even
outside the repository.

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

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-util/mercurial-1.0.1-r2"

References
=========
  [ 1 ] CVE-2008-2942
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2942 

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

http://security.gentoo.org/glsa/glsa-200807-09.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 
http://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.

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



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