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66 lines
1.8 KiB
66 lines
1.8 KiB
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200901-11">
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<title>Avahi: Denial of Service</title>
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<synopsis>
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A Denial of Service vulnerability has been discovered in Avahi.
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</synopsis>
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<product type="ebuild">avahi</product>
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<announced>January 14, 2009</announced>
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<revised>January 14, 2009: 01</revised>
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<bug>250913</bug>
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<access>remote</access>
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<affected>
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<package name="net-dns/avahi" auto="yes" arch="*">
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<unaffected range="ge">0.6.24</unaffected>
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<vulnerable range="lt">0.6.24</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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Avahi is a system that facilitates service discovery on a local
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network.
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</p>
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</background>
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<description>
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<p>
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Hugo Dias reported a failed assertion in the
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originates_from_local_legacy_unicast_socket() function in
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avahi-core/server.c when processing mDNS packets with a source port of
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0.
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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 send specially crafted packets to the daemon,
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leading to its crash.
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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 Avahi 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-dns/avahi-0.6.24"</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-2008-5081">CVE-2008-5081</uri>
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</references>
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<metadata tag="requester" timestamp="Sun, 11 Jan 2009 18:41:03 +0000">
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craig
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</metadata>
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<metadata tag="submitter" timestamp="Mon, 12 Jan 2009 22:42:38 +0000">
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p-y
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</metadata>
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<metadata tag="bugReady" timestamp="Mon, 12 Jan 2009 22:42:49 +0000">
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p-y
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</metadata>
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</glsa>
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