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59 lines
1.8 KiB
59 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="200404-09">
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<title>Cross-realm trust vulnerability in Heimdal</title>
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<synopsis>
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Heimdal contains cross-realm vulnerability allowing someone with control
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over a realm to impersonate anyone in the cross-realm trust path.
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</synopsis>
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<product type="ebuild">heimdal</product>
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<announced>2004-04-09</announced>
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<revised count="01">2004-04-09</revised>
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<bug>46590</bug>
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<access>local</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">0.6.1</unaffected>
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<vulnerable range="le">0.6.0</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 5.
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</p>
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</background>
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<description>
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<p>
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Heimdal does not properly perform certain consistency checks for
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cross-realm requests, which allows remote attackers with control of a realm
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to impersonate others in the cross-realm trust path.
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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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Remote attackers with control of a realm may be able to impersonate other
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users in the cross-realm trust path.
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</p>
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</impact>
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<workaround>
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<p>
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A workaround is not currently known for this issue. All users are advised
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to upgrade to the latest version of the affected package.
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</p>
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</workaround>
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<resolution>
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<p>
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Heimdal users should upgrade to version 0.6.1 or later:
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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-0.6.1"
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# emerge ">=app-crypt/heimdal-0.6.1"</code>
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</resolution>
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<references>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0371">CVE</uri>
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</references>
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<metadata tag="submitter">klieber</metadata>
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</glsa>
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