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71 lines
2.2 KiB
71 lines
2.2 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="200703-19">
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<title>LTSP: Authentication bypass in included LibVNCServer code</title>
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<synopsis>
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LTSP includes a version of libVNCServer that is vulnerable to an
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authentication bypass.
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</synopsis>
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<product type="ebuild">ltsp</product>
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<announced>March 18, 2007</announced>
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<revised>March 18, 2007: 01</revised>
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<bug>142661</bug>
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<access>remote</access>
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<affected>
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<package name="net-misc/ltsp" auto="yes" arch="*">
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<unaffected range="ge">4.2-r1</unaffected>
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<vulnerable range="lt">4.2-r1</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 Linux Terminal Server Project adds thin-client support to Linux
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servers.
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</p>
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</background>
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<description>
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<p>
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The LTSP server includes vulnerable LibVNCServer code, which fails to
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properly validate protocol types effectively letting users decide what
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protocol to use, such as "Type 1 - None" (GLSA-200608-05). The LTSP VNC
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server will accept this security type, even if it is not offered by the
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server.
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</p>
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</description>
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<impact type="high">
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<p>
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An attacker could exploit this vulnerability to gain unauthorized
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access with the privileges of the user running the VNC server.
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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 LTSP 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-misc/ltsp-4.2-r1"</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-2006-2450">CVE-2006-2450</uri>
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<uri link="/security/en/glsa/glsa-200608-05.xml">GLSA 200608-05</uri>
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</references>
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<metadata tag="requester" timestamp="Sat, 10 Feb 2007 19:11:34 +0000">
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falco
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</metadata>
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<metadata tag="bugReady" timestamp="Sat, 10 Feb 2007 23:53:14 +0000">
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falco
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</metadata>
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<metadata tag="submitter" timestamp="Tue, 27 Feb 2007 02:25:26 +0000">
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aetius
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</metadata>
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</glsa>
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