From: Tobias Heinlein (keytoastergentoo.org)
Date: Tue Jul 15 2008 - 17:08:53 CDT

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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
securitygentoo.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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