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Date: Sun, 28 Jan 2007 10:56:40 +0100
From: OpenPKG GmbH <openpkg-noreply@...npkg.com>
To: bugtraq@...urityfocus.com
Subject: [OpenPKG-SA-2007.007] OpenPKG Security Advisory (bind)

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____________________________________________________________________________

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

Advisory Id (public):    OpenPKG-SA-2007.007
Advisory Type:           OpenPKG Security Advisory (SA)
Advisory Directory:      http://openpkg.com/go/OpenPKG-SA
Advisory Document:       http://openpkg.com/go/OpenPKG-SA-2007.007
Advisory Published:      2007-01-28 10:56 UTC

Issue Id (internal):     OpenPKG-SI-20070125.01
Issue First Created:     2007-01-25
Issue Last Modified:     2007-01-28
Issue Revision:          02
____________________________________________________________________________

Subject Name:            bind
Subject Summary:         DNS Server
Subject Home:            http://www.isc.org/products/BIND/
Subject Versions:        * < 9.3.4

Vulnerability Id:        CVE-2007-0493, CVE-2007-0494
Vulnerability Scope:     global (not OpenPKG specific)

Attack Feasibility:      run-time
Attack Vector:           remote network
Attack Impact:           denial of service

Description:
    As confirmed by vendor security advisories [0][1], two security
    issues exist in the DNS server BIND [2], versions up to 9.3.4.
    
    The first issue is a "use after free" vulnerability which allows
    remote attackers to cause a Denial of Service (DoS) via unspecified
    vectors that cause BIND to "dereference (read) a freed fetch
    context".
    
    The second issue allows remote attackers to cause a Denial of
    Service (DoS) via a type "*" (ANY) DNS query response that contains
    multiple resource record (RR) sets in the answer section, which
    triggers an assertion error. To be vulnerable you need to have
    enabled DNSSEC validation in the configuration by specifying
    "trusted-keys".

References:
    [0] http://marc.theaimsgroup.com/?l=bind-announce&m=116968519321296&w=2
    [1] http://marc.theaimsgroup.com/?l=bind-announce&m=116968519300764&w=2
    [2] http://www.isc.org/products/BIND/
____________________________________________________________________________

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

Corrected Distribution:  Corrected Branch: Corrected Package:
OpenPKG Enterprise       E1.0-SOLID        bind-9.3.2-E1.0.2
OpenPKG Community        2-STABLE-20061018 bind-9.3.4-2.20070127
OpenPKG Community        2-STABLE          bind-9.3.4-2.20070127
OpenPKG Community        CURRENT           bind-9.3.4-20070125
____________________________________________________________________________

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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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