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Gentoo Linux Security Advisory GLSA 200909-17
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http://security.gentoo.org/
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Severity: Normal
Title: ZNC: Directory traversal
Date: September 13, 2009
Bugs: #278684
ID: 200909-17
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Synopsis
========
A directory traversal was found in ZNC, allowing for overwriting of
arbitrary files.
Background
==========
ZNC is an advanced IRC bouncer.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/znc < 0.074 >= 0.074
Description
===========
The vendor reported a directory traversal vulnerability when processing
DCC SEND requests.
Impact
======
A remote, authenticated user could send a specially crafted DCC SEND
request to overwrite arbitrary files with the privileges of the user
running ZNC, and possibly cause the execution of arbitrary code e.g. by
uploading a malicious ZNC module.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All ZNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose =net-irc/znc-0.074
References
==========
[ 1 ] CVE-2009-2658
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2658
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200909-17.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@xxxxxxxxxx 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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