Buffer overflow in libtpms - CVE-2021-3746
Published: June 14, 2023
Vulnerability identifier: #VU77293
CSH Severity: Medium
CVSS v4.0: 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
Vendor: Stefan Berger
Affected software:
libtpms
libtpms
Detailed vulnerability 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.
How to mitigate CVE-2021-3746
Install updates from vendor's website.