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             AUSCERT External Security Bulletin Redistribution

                       ESB-2007.0657 -- [Appliance]
            AirPort Extreme Base Station Firmware version 7.2.1
                              30 August 2007

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

Product:              AirPort Extreme 802.11n* base stations
Publisher:            Apple
Operating System:     Network Appliance
Impact:               Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-2242

Ref:                  ESB-2007.0446
                      ESB-2007.0261

Original Bulletin:    http://docs.info.apple.com/article.html?artnum=61798

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APPLE-SA-2007-08-29 Firmware version 7.2.1 for
AirPort Extreme 802.11n* base stations

Firmware version 7.2.1 is now available for AirPort Extreme 802.11n*
base stations. (* Based on an IEEE 802.11n draft specification)
Further information on the base station is available via:
http://www.apple.com/airportextreme/

Firmware version 7.2.1 fixes the following security issue:

AirPort Extreme Base Station with 802.11n*

CVE-ID: CVE-2007-2242

Available for: AirPort Extreme Base Station with 802.11n*

Impact:  Remote attackers may be able to adversely affect network
performance

Description:  A design issue exists in the IPv6 protocol's handling
of type 0 routing headers. Depending on network topology and
capacity, the reception of specially crafted IPv6 packets may lead to
a reduction in network bandwidth. This update addresses the issue by
disabling the support for type 0 routing headers. This issue does not
affect the Gigabit Ethernet version of AirPort Extreme Base Station
with 802.11n*.

Installation note for Firmware version 7.2.1

Firmware version 7.2.1 is installed into an AirPort Extreme Base
Station with 802.11n* by running the AirPort Utility which is
provided with the Base Station.

Information will also be posted to the Apple Security Updates
web site:
http://docs.info.apple.com/article.html?artnum=61798

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

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

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