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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200706-04">
<title>MadWifi: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities have been discovered in MadWifi, possibly allowing
for the execution of arbitrary code or a Denial of Service.
</synopsis>
<product type="ebuild">madwifi-ng</product>
<announced>June 11, 2007</announced>
<revised>June 11, 2007: 01</revised>
<bug>179532</bug>
<access>remote</access>
<affected>
<package name="net-wireless/madwifi-ng" auto="yes" arch="*">
<unaffected range="ge">0.9.3.1</unaffected>
<vulnerable range="lt">0.9.3.1</vulnerable>
</package>
</affected>
<background>
<p>
The MadWifi driver provides support for Atheros based IEEE 802.11
Wireless Lan cards.
</p>
</background>
<description>
<p>
Md Sohail Ahmad from AirTight Networks has discovered a divison by zero
in the ath_beacon_config() function (CVE-2007-2830). The vendor has
corrected an input validation error in the
ieee80211_ioctl_getwmmparams() and ieee80211_ioctl_getwmmparams()
functions(CVE-207-2831), and an input sanitization error when parsing
nested 802.3 Ethernet frame lengths (CVE-2007-2829).
</p>
</description>
<impact type="high">
<p>
An attacker could send specially crafted packets to a vulnerable host
to exploit one of these vulnerabilities, possibly resulting in the
execution of arbitrary code with root privileges, or a Denial of
Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All MadWifi users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-wireless/madwifi-ng-0.9.3.1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2829">CVE-2007-2829</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2830">CVE-2007-2830</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2831">CVE-2007-2831</uri>
</references>
<metadata tag="requester" timestamp="Fri, 08 Jun 2007 06:19:00 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Sun, 10 Jun 2007 14:16:00 +0000">
p-y
</metadata>
<metadata tag="bugReady" timestamp="Sun, 10 Jun 2007 14:16:10 +0000">
p-y
</metadata>
</glsa>