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69 lines
2.1 KiB
69 lines
2.1 KiB
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
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<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200711-09">
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<title>MadWifi: Denial of Service</title>
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<synopsis>
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MadWifi does not correctly process beacon frames which can lead to a
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remotely triggered Denial of Service.
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</synopsis>
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<product type="ebuild">madwifi-ng</product>
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<announced>November 07, 2007</announced>
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<revised>November 07, 2007: 01</revised>
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<bug>195705</bug>
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<access>remote</access>
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<affected>
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<package name="net-wireless/madwifi-ng" auto="yes" arch="*">
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<unaffected range="ge">0.9.3.3</unaffected>
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<vulnerable range="lt">0.9.3.3</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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The MadWifi driver provides support for Atheros based IEEE 802.11
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Wireless Lan cards.
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</p>
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</background>
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<description>
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<p>
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Clemens Kolbitsch and Sylvester Keil reported an error when processing
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beacon frames with an overly large "length" value in the "xrates"
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element.
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</p>
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</description>
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<impact type="normal">
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<p>
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A remote attacker could act as an access point and send a specially
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crafted packet to an Atheros based wireless client, possibly resulting
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in a Denial of Service (kernel panic).
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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All MadWifi users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=net-wireless/madwifi-ng-0.9.3.3"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5448">CVE-2007-5448</uri>
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</references>
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<metadata tag="requester" timestamp="Fri, 02 Nov 2007 23:16:45 +0000">
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p-y
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</metadata>
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<metadata tag="submitter" timestamp="Sat, 03 Nov 2007 23:18:04 +0000">
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rbu
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</metadata>
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<metadata tag="bugReady" timestamp="Sat, 03 Nov 2007 23:18:55 +0000">
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rbu
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</metadata>
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</glsa>
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