Mailing List Archive

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Gentoo Linux Security Advisory GLSA 201908-25
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https://security.gentoo.org/
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Severity: Normal
Title: hostapd and wpa_supplicant: Denial of Service
Date: August 18, 2019
Bugs: #685860, #688588
ID: 201908-25

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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