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TITLE:
Apple AirPort Extreme Base Station IPv6 Type 0 Route Headers Denial
of Service

SECUNIA ADVISORY ID:
SA26703

VERIFY ADVISORY:
http://secunia.com/advisories/26703/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
Apple Airport Extreme
http://secunia.com/product/4504/

DESCRIPTION:
A security issue has been reported in Apple AirPort Extreme Base
Station, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The security issue is caused due to an error within the processing of
packets with IPv6 type 0 route headers. This can be exploited to cause
a DoS due to high network traffic by sending specially crafted IPv6
packets to vulnerable systems.

The security issue is reported in firmware versions prior to 7.2.1.

NOTE: This security issue does reportedly not affect the Gigabit
Ethernet version of AirPort Extreme Base Station with 802.11n*.

SOLUTION:
Update to firmware version 7.2.1.
http://www.apple.com/support/downloads/airportextremebasestationwith80211nfirmware721.html

PROVIDED AND/OR DISCOVERED BY:
Originally reported by Philippe Biondi and Arnaud Ebalard

ORIGINAL ADVISORY:
Apple:
http://docs.info.apple.com/article.html?artnum=306375

http://www.secdev.org/conf/IPv6_RH_security-csw07.pdf

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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