- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 200502-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            https://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
        
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200502-22

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 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.

https://creativecommons.org/licenses/by-sa/2.0/