[ GLSA 200502-22 ] wpa_supplicant: Buffer overflow vulnerability
Date: Wed, 16 Feb 2005 20:23:50 +0100
From: Matthias Geerdsen <vorlon@gentoo.org.>
To: gentoo-announce@lists.gentoo.org
Subject: [ GLSA 200502-22 ] wpa_supplicant: Buffer overflow vulnerability
Message-ID: <20050216192350.GA25689@kosh.atw.wh.local.>
Mail-Followup-To: gentoo-announce@gentoo.org,
bugtraq@securityfocus.com, full-disclosure@lists.netsys.com,
security-alerts@linuxsecurity.com
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
protocol="application/pgp-signature"; boundary="EeQfGwPcQSOJBaQU"
Content-Disposition: inline
User-Agent: Mutt/1.5.6i
X-Virus-Scanned: antivirus-gw at tyumen.ru
--EeQfGwPcQSOJBaQU
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200502-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: wpa_supplicant: Buffer overflow vulnerability
Date: February 16, 2005
Bugs: #81993
ID: 200502-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
wpa_supplicant contains a buffer overflow that could lead to a Denial
of Service.
Background
==========
wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE
802.11i / RSN).
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-wireless/wpa_supplicant < 0.2.7 >= 0.2.7
Description
===========
wpa_supplicant contains a possible buffer overflow due to the lacking
validation of received EAPOL-Key frames.
Impact
======
An attacker could cause the crash of wpa_supplicant using a specially
crafted packet.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All wpa_supplicant users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-wireless/wpa_supplicant-0.2.7"
References
==========
[ 1 ] wpa_supplicant Announcement
http://lists.shmoo.com/pipermail/hostap/2005-February/009465.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200502-22.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 2005 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/2.0
--EeQfGwPcQSOJBaQU
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.6 (GNU/Linux)
iD8DBQFCE53GGc/RGrFqUYMRAqF8AJwPO/01Z7c+UJmiOKRAJotimPLC5gCfbmpH
QCec4yvaI3wJ+b5FbbPTweY=
=cHOc
-----END PGP SIGNATURE-----
--EeQfGwPcQSOJBaQU--
