GLSA 200502-22: wpa_supplicant: Buffer overflow vulnerability

http://security.gentoo.org/

Severity:	normal
Title:	wpa_supplicant: Buffer overflow vulnerability
Date:	02/16/2005
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	Architecture(s)
net-wireless/wpa_supplicant	< 0.2.7	>= 0.2.7	All supported architectures

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

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 https://bugs.gentoo.org.