Exposed IOCTL with Insufficient Access Control in Phoenix Technologies Windows kernel driver

1) Exposed IOCTL with Insufficient Access Control

EUVDB-ID: #VU80052

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-35841

CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficient access control in the IOCTL within the driver file "TdkLib64.sys". A local user can send a specially crafted IOCTL request and perform I/O to any hardware port or physical address, resulting in erasing or altering of the firmware.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows kernel driver: All versions

External links

http://jvn.jp/en/vu/JVNVU93886750/index.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.