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Gentoo Linux Security Advisory GLSA 200709-02
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http://security.gentoo.org/
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Severity: Normal
Title: KVIrc: Remote arbitrary code execution
Date: September 13, 2007
Bugs: #183174
ID: 200709-02
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Synopsis
========
A vulnerability has been discovered in KVIrc, allowing for the remote
execution of arbitrary code.
Background
==========
KVIrc is a free portable IRC client based on Qt.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-irc/kvirc < 3.2.6_pre20070714 >= 3.2.6_pre20070714
Description
===========
Stefan Cornelius from Secunia Research discovered that the
"parseIrcUrl()" function in file src/kvirc/kernel/kvi_ircurl.cpp does
not properly sanitise parts of the URI when building the command for
KVIrc's internal script system.
Impact
======
A remote attacker could entice a user to open a specially crafted
irc:// URI, possibly leading to the remote execution of arbitrary code
with the privileges of the user running KVIrc. Successful exploitation
requires that KVIrc is registered as the default handler for irc:// or
similar URIs.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All KVIrc users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/kvirc-3.2.6_pre20070714"
References
==========
[ 1 ] CVE-2007-2951
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2951
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200709-02.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
http://bugs.gentoo.org.
License
=======
Copyright 2007 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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