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Gentoo Linux Security Advisory                           GLSA 200908-05
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Subversion: Remote execution of arbitrary code
      Date: August 18, 2009
      Bugs: #280494
        ID: 200908-05

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Synopsis
========

Multiple integer overflows, leading to heap-based buffer overflows in
the Subversion client and server might allow remote attackers to
execute arbitrary code.

Background
==========

Subversion is a versioning system designed to be a replacement for CVS.

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

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  dev-util/subversion       < 1.6.4                        >=3D 1.6.4

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

Matt Lewis of Google reported multiple integer overflows in the
libsvn_delta library, possibly leading to heap-based buffer overflows.

Impact
======

A remote attacker with commit access could exploit this vulnerability
by sending a specially crafted commit to a Subversion server, or a
remote attacker could entice a user to check out or update a repository
from a malicious Subversion server, possibly resulting in the execution
of arbitrary code with the privileges of the user running the server or
client.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Subversion users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =3Ddev-util/subversion-1.6.4

References
==========

  [ 1 ] CVE-2009-2411
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2009-2411

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

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

  http://security.gentoo.org/glsa/glsa-200908-05.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 2009 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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