hostapd and wpa_supplicant: Denial of service

Background

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

hostapd is a user space daemon for access point and authentication servers.

Description

A vulnerability was discovered in hostapd’s and wpa_supplicant’s eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c files.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All hostapd users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-wireless/hostapd-2.8"

All wpa_supplicant users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-wireless/wpa_supplicant-2.8"