GLSA 200907-14 Rasterbar libtorrent: Directory traversal
Posted on: 07/17/2009 10:20 AM

A new security update has been released for Gentoo Linux - Rasterbar libtorrent: Directory traversal. Here the announcement:

Gentoo Linux Security Advisory GLSA 200907-14
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http://security.gentoo.org/
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Severity: Normal
Title: Rasterbar libtorrent: Directory traversal
Date: July 17, 2009
Bugs: #273156, #273961
ID: 200907-14

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Synopsis
========

A directory traversal vulnerability in Rasterbar libtorrent might allow
a remote attacker to overwrite arbitrary files.

Background
==========

Rasterbar libtorrent is a C++ BitTorrent implementation focusing on
efficiency and scalability. Deluge is a BitTorrent client that ships a
copy of libtorrent.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/rb_libtorrent lt; 0.13-r1 gt;= 0.13-r1
2 net-p2p/deluge lt; 1.1.9 gt;= 1.1.9
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------

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

census reported a directory traversal vulnerability in
src/torrent_info.cpp that can be triggered via .torrent files.

Impact
======

A remote attacker could entice a user or automated system using
Rasterbar libtorrent to load a specially crafted BitTorrent file to
create or overwrite arbitrary files using dot dot sequences in
filenames.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Rasterbar libtorrent users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v "gt;=net-libs/rb_libtorrent-0.13-r1"

All Deluge users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=net-p2p/deluge-1.1.9"

References
==========

[ 1 ] CVE-2009-1760
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1760

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

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

http://security.gentoo.org/glsa/glsa-200907-14.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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