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AUSCERT External Security Bulletin Redistribution
ESB-2009.1185
Security Update 2009-004
13 August 2009
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AusCERT Security Bulletin Summary
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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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You have received this e-mail bulletin as a result of your organisation's
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
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organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
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NOTE: This is only the original release of the security bulletin. It may
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Contact information for the authors of the original document is included
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Previous advisories and external security bulletins can be retrieved from:
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If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
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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
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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