Gentoo: GLSA-201908-25: hostapd and wpa_supplicant: Denial of Service
Summary
A vulnerability was discovered in hostapd's and wpa_supplicant's eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c files.
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.
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
Impact
===== An attacker could cause a possible Denial of Service condition.
Workaround
There is no known workaround at this time.