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APPLE-SA-2017-12-12-1 AirPort Base Station Firmware Update 7.6.9

AirPort Base Station Firmware Update 7.6.9 is now available and
addresses the following:

AirPort Base Station Firmware
Available for: AirPort Express, AirPort Extreme, and
AirPort Time Capsule base stations with 802.11n
Impact: An attacker in Wi-Fi range may force nonce reuse in WPA
unicast/PTK clients (Key Reinstallation Attacks - KRACK)
Description: A logic issue existed in the handling of state
transitions. This was addressed with improved state management.
CVE-2017-13077: Mathy Vanhoef of the imec-DistriNet group at KU
Leuven
CVE-2017-13078: Mathy Vanhoef of the imec-DistriNet group at KU
Leuven

AirPort Base Station Firmware
Available for: AirPort Express, AirPort Extreme, and
AirPort Time Capsule base stations with 802.11n
Impact: An attacker in Wi-Fi range may force nonce reuse in WPA
multicast/GTK clients (Key Reinstallation Attacks - KRACK)
Description: A logic issue existed in the handling of state
transitions. This was addressed with improved state management.
CVE-2017-13080: Mathy Vanhoef of the imec-DistriNet group at KU
Leuven

Installation note:

Firmware version 7.6.9 is installed on AirPort Express, AirPort
Extreme, or AirPort Time Capsule base stations with 802.11n using
AirPort Utility for Mac or iOS.

AirPort Utility for Mac is a free download from
https://support.apple.com/downloads/ and AirPort Utility for iOS
is a free download from the App Store.
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