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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1185
                         Security Update 2009-004
                              13 August 2009

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           BIND
Publisher:         Apple
Operating System:  Mac OS X
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-0696  

Reference:         ASB-2009.1033

Original Bulletin: 
   http://support.apple.com/kb/HT3776

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APPLE-SA-2009-08-12-1 Security Update 2009-004

Security Update 2009-004 is now available and addresses the
following:

BIND
CVE-ID:  CVE-2009-0696
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8
Impact:  A remote attacker may be able to cause the DNS server to
unexpectedly terminate
Description:  A logic issue in the handling of dynamic DNS update
messages may cause an assertion to be triggered. By sending a
maliciously crafted update message to the BIND DNS server, a remote
attacker may be able to interrupt the BIND service. The issue affects
servers which are masters for one or more zones, regardless of
whether they accept updates. BIND is included with Mac OS X and Mac
OS X Server but it is not enabled by default. This update addresses
the issue by properly rejecting messages with a record of type 'ANY'
where an assertion would previously have been raised.


Security Update 2009-004 may be obtained from the Software Update
pane in System Preferences, or Apple's Software Downloads web site:
http://www.apple.com/support/downloads/

For Mac OS X v10.5.8 and Mac OS X Server 10.5.8
The download file is named: "SecUpd2009-004.dmg"
Its SHA-1 digest is: 9fefe6349e8fb9ed47d44b572a11e6c66daf4dac

For Mac OS X v10.4.11 (Intel)
The download file is named: "SecUpd2009-004Intel.dmg"
Its SHA-1 digest is: 28e1d0ad3a97f3b5e17ebe6367532e103b69d3a0

For Mac OS X v10.4.11 (PPC)
The download file is named: "SecUpd2009-004PPC.dmg"
Its SHA-1 digest is: e9ed8d53d6bc055e44768f1d1e894f505f1fd6fe

For Mac OS X Server v10.4.11 (Universal)
The download file is named: "SecUpdSrvr2009-004Univ.dmg"
Its SHA-1 digest is: dfb57125139c058655b847135bff50216f3ea577

For Mac OS X Server v10.4.11 (PPC)
The download file is named: "SecUpdSrvr2009-004PPC.dmg"
Its SHA-1 digest is: c95b0c305d7d3f365b7ff768b995da38529ec393

Information will also be posted to the Apple Security Updates
web site: http://support.apple.com/kb/HT1222

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/

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This security bulletin is provided as a service to AusCERT's members.  As
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Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
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