- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201908-25 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: hostapd and wpa_supplicant: Denial of Service Date: August 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 ------------------------------------------------------------------- 1 net-wireless/hostapd < 2.8 >= 2.8 2 net-wireless/wpa_supplicant < 2.8 >= 2.8 ------------------------------------------------------------------- 2 affected packages 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 -v ">=net-wireless/wpa_supplicant-2.8" References ========== [ 1 ] CVE-2019-11555 https://nvd.nist.gov/vuln/detail/CVE-2019-11555 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201908-25 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. License ======= Copyright 2019 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5