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Date: Wed, 10 Jan 2007 10:44:23 +0100
From: OpenPKG GmbH <openpkg-noreply@...npkg.com>
To: bugtraq@...urityfocus.com
Subject: [OpenPKG-SA-2007.006] OpenPKG Security Advisory (kerberos)

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____________________________________________________________________________

Publisher Name:          OpenPKG GmbH
Publisher Home:          http://openpkg.com/

Advisory Id (public):    OpenPKG-SA-2007.006
Advisory Type:           OpenPKG Security Advisory (SA)
Advisory Directory:      http://openpkg.com/go/OpenPKG-SA
Advisory Document:       http://openpkg.com/go/OpenPKG-SA-2007.006
Advisory Published:      2007-01-10 10:44 UTC

Issue Id (internal):     OpenPKG-SI-20070110.01
Issue First Created:     2007-01-10
Issue Last Modified:     2007-01-10
Issue Revision:          07
____________________________________________________________________________

Subject Name:            MIT Kerberos
Subject Summary:         Kerberos Network Authentication System
Subject Home:            http://web.mit.edu/kerberos/
Subject Versions:        * <= 1.5.1

Vulnerability Id:        CVE-2006-6143, cert:VU#481564, CVE-2006-6144,
                         cert:VU#831452, cert:TA07-009B
Vulnerability Scope:     global (not OpenPKG specific)

Attack Feasibility:      run-time
Attack Vector:           remote network
Attack Impact:           denial of service, arbitrary code execution

Description:
    According to vendor security advisories [0][1], two security issues
    exist in the Kerberos network authentication system implementation
    MIT Kerberos [2]. First, the RPC library could call an uninitialized
    function pointer, which created a security vulnerability for
    kadmind(8). Second, the GSS-API "mechglue" layer could fail to
    initialize some output pointers, causing callers to attempt to free
    uninitialized pointers. This caused another security vulnerability
    in kadmind(8).

References:
    [0] http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-002-rpc.txt
    [1] http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt
    [2] http://web.mit.edu/kerberos/
____________________________________________________________________________

Primary Package Name:    kerberos
Primary Package Home:    http://openpkg.org/go/package/kerberos

Corrected Distribution:  Corrected Branch: Corrected Package:
OpenPKG Enterprise       E1.0-SOLID        kerberos-1.5.1-E1.0.1
OpenPKG Community        2-STABLE-20061018 kerberos-1.6-2.20070110
OpenPKG Community        2-STABLE          kerberos-1.6-2.20070110
OpenPKG Community        CURRENT           kerberos-1.6-20070110
____________________________________________________________________________

For security reasons, this document was digitally signed with the
OpenPGP public key of the OpenPKG GmbH (public key id 61B7AE34)
which you can download from http://openpkg.com/openpkg.com.pgp
or retrieve from the OpenPGP keyserver at hkp://pgp.openpkg.org/.
Follow the instructions at http://openpkg.com/security/signatures/
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____________________________________________________________________________

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