GLSA 201908-25: hostapd and wpa_supplicant: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	hostapd and wpa_supplicant: Denial of Service
Date:	08/18/2019
Bugs:	#685860, #688588
ID:	201908-25

Synopsis

A vulnerability in hostapd and wpa_supplicant could lead to a Denial of Service condition.

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.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-wireless/wpa_supplicant	< 2.8	>= 2.8	All supported architectures
net-wireless/hostapd	< 2.8	>= 2.8	All supported architectures

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"

References

CVE-2019-11555

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201908-25.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.