#VU80052 Exposed IOCTL with Insufficient Access Control in Windows kernel driver - CVE-2023-35841
Published: August 29, 2023
Vulnerability identifier: #VU80052
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-35841
CWE-ID: CWE-782
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Windows kernel driver
Windows kernel driver
Software vendor:
Phoenix Technologies
Phoenix Technologies
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.
Remediation
Install updates from vendor's website.