SB2023082904 - Exposed IOCTL with Insufficient Access Control in Phoenix Technologies Windows kernel driver
Published: August 29, 2023
Security Bulletin ID
SB2023082904
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2023-35841)
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 update from vendor's website.