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[ GLSA 200502-22 ] wpa_supplicant: Buffer overflow vulnerability
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GLSA
Bodhisattva
Bodhisattva


Joined: 17 Apr 2002
Posts: 2602
Location: Raleigh, NC

PostPosted: Wed Feb 16, 2005 7:32 pm    Post subject: [ GLSA 200502-22 ] wpa_supplicant: Buffer overflow vulnerabi Reply with quote

Gentoo Linux Security Advisory

Title: wpa_supplicant: Buffer overflow vulnerability (GLSA 200502-22)
Severity: normal
Exploitable: remote
Date: February 16, 2005
Updated: May 22, 2006
Bug(s): #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: net-wireless/wpa_supplicant
Vulnerable: < 0.2.7
Unaffected: >= 0.2.7
Architectures: 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:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-wireless/wpa_supplicant-0.2.7"


References

wpa_supplicant Announcement
CVE-2005-0470


Last edited by GLSA on Sun Jul 30, 2006 4:17 am; edited 4 times in total
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