Untrusted Pointer Dereference in AsfSecureBootSmm - CVE-2020-5953
Published: February 3, 2022
Vulnerability identifier: #VU60264
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5953
CWE-ID: CWE-822
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to untrusted pointer dereference error in System Management Interrupt (SWSMI) handler. A remote attacker can trigger pointer dereference and execute arbitrary code on the target system.
Affected software
AsfSecureBootSmm
How to mitigate CVE-2020-5953
Install updates from vendor's website.
AsfSecureBootSmm - addressed in versions 05.12.09.0074, 05.23.04.0045, 05.23.45.0023, 05.33.15.0034, 05.34.03.0029, 05.42.03.0010