The latest security information on Intel® products.

Intel® PROSet/Wireless WiFi , Intel vPro® CSME WiFi and Killer™ WiFi Advisory

Intel ID: INTEL-SA-00473
Advisory Category: Firmware, Software
Impact of vulnerability: Denial of Service
Severity rating: MEDIUM
Original release: 05/11/2021
Last revised: 05/11/2021

Summary: 

Potential security vulnerabilities in some Intel® PROSet/Wireless WiFi and Intel vPro® Converged Security and Management Engine (CSME) WiFi and Killer™ WiFi may allow denial of service.  Intel is releasing firmware and software updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID: CVE-2020-24586 (Non-Intel issued)

Description: Fragment cache attack: A vulnerable device does not clear its cache/memory to remove fragments of an incomplete MSDU/MMPDU from previous session after reconnection/reassociation.

CVSS Base Score: 5.3 Medium

CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVEID: CVE-2020-24587 (Non-Intel issued)

Description: Mixed key attack: A vulnerable device reassembles fragments encrypted under different keys in a protected network.

CVSS Base Score: 5.3 Medium

CVSS Vector:  CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVEID: CVE-2020-24588 (Non-Intel issued)

Description: Frame aggregation attack: Devices allow the encrypted payload to be parsed as containing one or more aggregated frames instead of a normal network packet.

CVSS Base Score: 5.3 Medium

CVSS Vector:  CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

Intel® PROSet/Wireless WiFi products:

Intel® Wi-Fi 6E AX210

Intel® Wi-Fi 6 AX201

Intel® Wi-Fi 6 AX200

Intel® Wireless-AC 9560

Intel® Wireless-AC 9462

Intel® Wireless-AC 9461

Intel® Wireless-AC 9260

Intel® Dual Band Wireless-AC 8265

Intel® Dual Band Wireless-AC 8260

Intel® Dual Band Wireless-AC 3168

Intel® Wireless 7265 (Rev D) Family

Intel® Dual Band Wireless-AC 3165

 

Intel vPRO® CSME WiFi products:

Intel® Wi-Fi 6 AX201

Intel® Wi-Fi 6 AX200

Intel® Wireless-AC 9560

Intel® Wireless-AC 9260

Intel® Dual Band Wireless-AC 8265

Intel® Dual Band Wireless-AC 8260

 

Killer™ WiFi products:

Killer™ Wi-Fi 6E AX1675       

Killer™ Wi-Fi 6 AX1650

Killer™ Wireless-AC 1550

Recommendations for Intel® PROSet/Wireless WiFi and Killer™ WiFi products:

Windows:

Intel recommends updating Intel® PROSet/Wireless WiFi to version 22.30 or later

Updates are available for download at this location:

https://downloadcenter.intel.com/download/30208

The 22.30.0 package installs the Windows 10 Wi-Fi drivers for the following Intel® Wireless Adapters:

·         22.30.0.11 for AX210/AX201/AX200/9560/9260/9462/9461 (Only available in 64-bit version)

·         20.70.21.2 for 8265/8260 (Only available in 64-bit version)

·         19.51.33.1 for 7265(Rev. D)/3165/3168

Intel recommends updating Killer™ WiFi to version 22.30.

Updates for Killer™ products are available for download at this location:

https://support.killernetworking.com

UEFI:

Intel recommends updating the WiFi drivers in UEFI to version 1.2.3-2121.

Please contact your OEM support group to obtain the correct driver version.

Chrome OS:

Intel® PROSet/Wireless WiFi drivers to mitigate these vulnerabilities will be up streamed to Chromium.

For any Google Chrome OS solution and schedule, please contact Google directly.

Linux OS:

Intel® PROSet/Wireless WiFi drivers to mitigate these vulnerabilities will be up streamed by March 9th, 2021.

Consult the regular Open Source channels to obtain this update.

Recommendation for Intel vPRO® CSME WiFi products:

Intel recommends updating Intel vPRO® CSME WiFi products to the following versions:

Processor

Chipset

Version

Device

10th Generation Intel® Core Processor

Intel® Xeon® W Processor 10000/1200 Series

Intel® 400 Series Chipset

14.0.48

Intel® Wi-Fi 6 AX201
Intel® Wi-Fi 6 AX200

9th Generation Intel® Core Processor

Intel® 300 Series Chipset

12.0.72

Intel® Wireless-AC 9260

Intel® Wireless-AC 9560

Intel® Wi-Fi 6 AX200

8th Generation Intel® Core Processor

N/A

12.0.72

Intel® Wireless-AC 9260

Intel® Wireless-AC 9560

Intel® Wi-Fi 6 AX200

 

7th Generation Intel® Core Processor

 

6th Generation Intel® Core Processor

 

Intel® 200 Series Chipset

 

Intel® 100 Series Chipset

11.8.83

Intel® Dual Band Wireless-AC 8265
Intel® Dual Band Wireless-AC 8260

 

Intel recommends that users of Intel® vPRO® CSME WiFi products update to the latest version provided by the system manufacturer that addresses these issues.

Acknowledgements:

These issues were found externally.

Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.

Revision History

Revision Date Description
1.0 05/11/2021 Initial Release

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