full-disclosure - [ GLSA 200807-09 ] Mercurial: Directory traversal

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Date: Wed, 16 Jul 2008 00:08:53 +0200
From: Tobias Heinlein <keytoaster@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200807-09 ] Mercurial: Directory traversal

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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@...too.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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