#VU77293 Buffer overflow in libtpms - CVE-2021-3746

 

#VU77293 Buffer overflow in libtpms - CVE-2021-3746

Published: June 14, 2023


Vulnerability identifier: #VU77293
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3746
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libtpms
Software vendor:
Stefan Berger

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim into opening a specially-crafted TPM2 command packets, trigger memory corruption and perform a denial of service attack.


Remediation

Install updates from vendor's website.

External links