Denial of service in Intel PROSet/Wireless WiFi, vPro CSME WiFi and Killer WiFi products

1) Input validation error

EUVDB-ID: #VU53154

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24586

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the 802.11 standard due to the affected device does not clear its cache/memory to remove fragments of an incomplete MSDU/MMPDU from previous session after reconnection/reassociation. A remote attacker on the local network can perform a fragment cache attack and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel Wi-Fi 6E AX210: before 22.30.0.11

Intel Wi-Fi 6 AX201: before 22.30.0.11

Intel Wi-Fi 6 AX200: before 22.30.0.11

Intel Wireless-AC 9560: before 22.30.0.11

Intel Wireless-AC 9462: before 22.30.0.11

Intel Wireless-AC 9461: before 22.30.0.11

Intel Wireless-AC 9260: before 22.30.0.11

Intel Dual Band Wireless-AC 8265: before 20.70.21.2

Intel Dual Band Wireless-AC 8260: before 20.70.21.2

Intel Dual Band Wireless-AC 3168: before 19.51.33.1

Intel Wireless 7265 (Rev D) Family: before 19.51.33.1

Intel Dual Band Wireless-AC 3165: before 19.51.33.1

CPE2.3

External links

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.