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68 lines
2.1 KiB
68 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="200904-05">
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<title>ntp: Certificate validation error</title>
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<synopsis>
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An error in the OpenSSL certificate chain validation in ntp might allow for
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spoofing attacks.
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</synopsis>
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<product type="ebuild">ntp</product>
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<announced>April 05, 2009</announced>
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<revised>April 05, 2009: 01</revised>
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<bug>254098</bug>
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<access>remote</access>
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<affected>
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<package name="net-misc/ntp" auto="yes" arch="*">
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<unaffected range="ge">4.2.4_p6</unaffected>
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<vulnerable range="lt">4.2.4_p6</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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ntp contains the client and daemon implementations for the Network Time
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Protocol.
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</p>
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</background>
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<description>
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<p>
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It has been reported that ntp incorrectly checks the return value of
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the EVP_VerifyFinal(), a vulnerability related to CVE-2008-5077 (GLSA
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200902-02).
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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 exploit this vulnerability to spoof arbitrary
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names to conduct Man-In-The-Middle attacks and intercept sensitive
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information.
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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 ntp 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/ntp-4.2.4_p6"</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-2008-5077">CVE-2008-5077</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0021">CVE-2009-0021</uri>
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<uri link="/security/en/glsa/glsa-200902-02.xml">GLSA 200902-02</uri>
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</references>
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<metadata tag="submitter" timestamp="Tue, 31 Mar 2009 11:41:38 +0000">
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p-y
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</metadata>
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<metadata tag="bugReady" timestamp="Tue, 31 Mar 2009 11:41:46 +0000">
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p-y
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</metadata>
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</glsa>
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