GLSA-200502-22 : wpa_supplicant: Buffer overflow vulnerability

This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200502-22
(wpa_supplicant: Buffer overflow vulnerability)

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.

See also :

http://lists.shmoo.com/pipermail/hostap/2005-February/009465.html
http://www.gentoo.org/security/en/glsa/glsa-200502-22.xml

Solution :

All wpa_supplicant users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-wireless/wpa_supplicant-0.2.7'

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 17127 (gentoo_GLSA-200502-22.nasl)

Bugtraq ID:

CVE ID: CVE-2005-0470