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FreeBSD: VID-924CB116-4D35-11EE-8E38-002590C1F29C (CVE-2022-47522): FreeBSD -- Wi-Fi encryption bypass

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FreeBSD: VID-924CB116-4D35-11EE-8E38-002590C1F29C (CVE-2022-47522): FreeBSD -- Wi-Fi encryption bypass

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/15/2023
Created
09/08/2023
Added
09/07/2023
Modified
09/07/2023

Description

The IEEE 802.11 specifications through 802.11ax allow physically proximate attackers to intercept (possibly cleartext) target-destined frames by spoofing a target's MAC address, sending Power Save frames to the access point, and then sending other frames to the access point (such as authentication frames or re-association frames) to remove the target's original security context. This behavior occurs because the specifications do not require an access point to purge its transmit queue before removing a client's pairwise encryption key.

Solution(s)

  • freebsd-upgrade-base-12_4-release-p5
  • freebsd-upgrade-base-13_2-release-p3

References

  • CVE-2022-47522

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