wpa_supplicant: Buffer overflow vulnerability

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-wireless/wpa_supplicant	< 0.2.7	>= 0.2.7	All supported architectures

Related bugreports: #81993

wpa_supplicant contains a buffer overflow that could lead to a Denial of Service.

2. Impact Information

wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE 802.11i / RSN).

wpa_supplicant contains a possible buffer overflow due to the lacking validation of received EAPOL-Key frames.

An attacker could cause the crash of wpa_supplicant using a specially crafted packet.

3. Resolution Information

There is no known workaround at this time.

All wpa_supplicant users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-wireless/wpa_supplicant-0.2.7"

4. References

Updated February 16, 2005

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.