Insecure inherited permissions in Intel products - CVE-2020-0559

Vulnerability identifier: #VU45656

CSH Severity: Low

CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-0559

CWE-ID: CWE-277

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure inherited permissions in some Intel(R) PROSet/Wireless WiFi products on Windows* 7 and 8.1 before version 21.40.5.1. A local user can run a specially crafted program to escalate privileges on the system.

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 Atom Processor A Series
Intel Celeron Processor N Series
Intel Celeron Processor J Series
Intel Pentium Processor N Series
Intel Pentium Processor J Series
Intel Atom Processor E3900 Series

Install updates from vendor's website.

Release version 21.40.5.1 is available for download at this location:

https://www.intel.com/content/www/us/en/support/products/59485/network-and-i-o/wireless-networking.html

Intel Wi-Fi 6 AX201 - update to 21.40.5.1
Intel Wi-Fi 6 AX200 - update to 21.40.5.1
Intel Wireless-AC 9560 - update to 21.40.5.1
Intel Wireless-AC 9462 - update to 21.40.5.1
Intel Wireless-AC 9461 - update to 21.40.5.1
Intel Wireless-AC 9260 - update to 21.40.5.1
Intel Dual Band Wireless-AC 8265 - update to 21.40.5.1
Intel Dual Band Wireless-AC 8260 - update to 21.40.5.1
Intel Dual Band Wireless-AC 3168 - update to 21.40.5.1
Intel Wireless 7265 (Rev D) Family - update to 21.40.5.1
Intel Dual Band Wireless-AC 3165 - update to 21.40.5.1

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00355.html

• Privilege escalation in Intel® PROSet/Wireless WiFi Software
• Improper access control in the PMC for some Intel(R) Processors