GLSA-200704-15 : MadWifi: Multiple vulnerabilities

This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200704-15
(MadWifi: Multiple vulnerabilities)

The driver does not properly process Channel Switch Announcement
Information Elements, allowing for an abnormal channel change. The
ieee80211_input() function does not properly handle AUTH frames and the
driver sends unencrypted packets before WPA authentication succeeds.

Impact :

A remote attacker could send specially crafted AUTH frames to the
vulnerable host, resulting in a Denial of Service by crashing the
kernel. A remote attacker could gain access to sensitive information
about network architecture by sniffing unencrypted packets. A remote
attacker could also send a Channel Switch Count less than or equal to
one to trigger a channel change, resulting in a communication loss and
a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All MadWifi users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-wireless/madwifi-ng-0.9.3'

Risk factor :

High / CVSS Base Score : 7.8

Family: Gentoo Local Security Checks

Nessus Plugin ID: 25060 (gentoo_GLSA-200704-15.nasl)

Bugtraq ID:

CVE ID: CVE-2006-7178

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