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68 lines
2.0 KiB
68 lines
2.0 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="200702-05">
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<title>Fail2ban: Denial of Service</title>
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<synopsis>
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A flaw in Fail2ban may allow remote attackers to deny access to arbitrary
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hosts.
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</synopsis>
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<product type="ebuild">fail2ban</product>
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<announced>February 16, 2007</announced>
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<revised>February 16, 2007: 01</revised>
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<bug>157166</bug>
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<access>remote</access>
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<affected>
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<package name="net-analyzer/fail2ban" auto="yes" arch="*">
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<unaffected range="ge">0.6.2</unaffected>
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<vulnerable range="lt">0.6.2</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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Fail2ban monitors log files for failed authentication attempts and can
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block hosts responsible for repeated attacks.
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</p>
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</background>
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<description>
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<p>
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A flaw in the method used to parse log entries allows remote,
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unauthenticated attackers to forge authentication attempts from other
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hosts.
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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 can add arbitrary hosts to the block list, denying
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legitimate users access to a resource.
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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 Fail2ban 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-analyzer/fail2ban-0.6.2"</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-2006-6302">CVE-2006-6302</uri>
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</references>
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<metadata tag="requester" timestamp="Mon, 12 Feb 2007 22:35:11 +0000">
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falco
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</metadata>
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<metadata tag="bugReady" timestamp="Mon, 12 Feb 2007 22:42:08 +0000">
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falco
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</metadata>
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<metadata tag="submitter" timestamp="Mon, 12 Feb 2007 22:56:35 +0000">
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taviso
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</metadata>
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</glsa>
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