Privilege escalation in Intel® PROSet/Wireless WiFi Software

1) Insecure inherited permissions

EUVDB-ID: #VU45656

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0559

CWE-ID: CWE-277 - Insecure inherited permissions

Exploit availability: No

Description

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.

Mitigation

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

Vulnerable software versions

Intel Wi-Fi 6 AX201: before 21.40.5.1

Intel Wi-Fi 6 AX200: before 21.40.5.1

Intel Wireless-AC 9560: before 21.40.5.1

Intel Wireless-AC 9462: before 21.40.5.1

Intel Wireless-AC 9461: before 21.40.5.1

Intel Wireless-AC 9260: before 21.40.5.1

Intel Dual Band Wireless-AC 8265: before 21.40.5.1

Intel Dual Band Wireless-AC 8260: 20.50.1.1 - 21.20.0

Intel Dual Band Wireless-AC 3168: before 21.40.5.1

Intel Wireless 7265 (Rev D) Family: before 21.40.5.1

Intel Dual Band Wireless-AC 3165: before 21.40.5.1

CPE2.3

• cpe:2.3:h:intel:intel_wi-fi_6_ax201:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wi-fi_6_ax200:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wireless-ac_9560:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wireless-ac_9462:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wireless-ac_9461:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wireless-ac_9260:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_dual_band_wireless-ac_8265:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:dual_band_wireless-ac_8260:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:dual_band_wireless-ac_8260:20.50.1.1:*:*:*:*:*:*:
• cpe:2.3:h:intel:dual_band_wireless-ac_8260:21.20.0:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_dual_band_wireless-ac_3168:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_wireless_7265_rev_d_family:*:*:*:*:*:*:*:
• cpe:2.3:h:intel:intel_dual_band_wireless-ac_3165:*:*:*:*:*:*:*:

External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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