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 < 0.13-r1 >= 0.13-r1
2 net-p2p/deluge < 1.1.9 >= 1.1.9
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2 affected packages on all of their supported architectures.
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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 ">=net-libs/rb_libtorrent-0.13-r1"
All Deluge users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=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
