65 lines
2 KiB
XML
65 lines
2 KiB
XML
<?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="200405-23">
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<title>Heimdal: Kerberos 4 buffer overflow in kadmin</title>
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<synopsis>
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A possible buffer overflow in the Kerberos 4 component of Heimdal has been
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discovered.
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</synopsis>
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<product type="ebuild">Heimdal</product>
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<announced>May 27, 2004</announced>
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<revised>May 27, 2004: 01</revised>
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<bug>50208</bug>
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<access>remote </access>
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<affected>
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<package name="app-crypt/heimdal" 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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Heimdal is a free implementation of Kerberos.
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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 buffer overflow was discovered in kadmind, a server for administrative
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access to the Kerberos database.
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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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By sending a specially formatted message to kadmind, a remote attacker may
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be able to crash kadmind causing a denial of service, or execute arbitrary
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code with the permissions of the kadmind process.
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</p>
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</impact>
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<workaround>
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<p>
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For a temporary workaround, providing you do not require Kerberos 4
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support, you may turn off Kerberos 4 kadmin by running kadmind with the
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--no-kerberos4 option.
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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 Heimdal users should upgrade to the latest stable version:
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</p>
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<code>
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# emerge sync
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# emerge -pv ">=app-crypt/heimdal-0.6.2"
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# emerge ">=app-crypt/heimdal-0.6.2"</code>
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</resolution>
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<references>
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<uri link="http://www.pdc.kth.se/heimdal/advisory/2004-05-06/">Heimdal 0.6.2 Release Notice</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0434">CAN-2004-0434</uri>
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</references>
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<metadata tag="submitter">
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jaervosz
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</metadata>
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</glsa>
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