GLSA 200502-22: wpa_supplicant: Buffer overflow
Posted on: 02/16/2005 03:19 PM

A wpa_supplicant security update has been released for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200502-22
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http://security.gentoo.org/
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Severity: Normal
Title: wpa_supplicant: Buffer overflow vulnerability
Date: February 16, 2005
Bugs: #81993
ID: 200502-22

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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
================

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Package / Vulnerable / Unaffected
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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


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