Use-after-free in Converged Security and Management Engine (CSME) and Intel Trusted Execution Engine Firmware - CVE-2020-12303
Published: November 12, 2020 / Updated: November 26, 2020
Vulnerability identifier: #VU48682
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-2020-12303
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in DAL subsystem. A local user can escalate privileges on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Converged Security and Management Engine (CSME)
Intel Trusted Execution Engine Firmware
Intel Trusted Execution Engine Firmware
How to mitigate CVE-2020-12303
Install updates from vendor's website.
Converged Security and Management Engine (CSME) - addressed in versions 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45, 14.5.25
Intel Trusted Execution Engine Firmware - addressed in versions 3.1.80, 4.0.30
Intel Trusted Execution Engine Firmware - addressed in versions 3.1.80, 4.0.30