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 v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2020-12303
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
Converged Security and Management Engine (CSME)
Intel Trusted Execution Engine Firmware
Converged Security and Management Engine (CSME)
Intel Trusted Execution Engine Firmware
Detailed vulnerability description
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.
How to mitigate CVE-2020-12303
Install updates from vendor's website.