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FreeBSD: VID-8D20BD48-A4F3-11EC-90DE-1C697AA5A594 (CVE-2020-24588): FreeBSD-kernel -- Multiple WiFi issues

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FreeBSD: VID-8D20BD48-A4F3-11EC-90DE-1C697AA5A594 (CVE-2020-24588): FreeBSD-kernel -- Multiple WiFi issues

Severity
3
CVSS
(AV:A/AC:M/Au:N/C:N/I:P/A:N)
Published
05/11/2021
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

Description

The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is authenticated. Against devices that support receiving non-SSP A-MSDU frames (which is mandatory as part of 802.11n), an adversary can abuse this to inject arbitrary network packets.

Solution(s)

  • freebsd-upgrade-base-12_2-release-p14
  • freebsd-upgrade-base-12_3-release-p3
  • freebsd-upgrade-base-13_0-release-p8

References

  • CVE-2020-24588
  • USN-4997-1
  • USN-4997-2
  • USN-4999-1
  • USN-5000-1
  • USN-5000-2
  • USN-5001-1
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