Ubuntu: USN-5933-1 (CVE-2023-1017): Libtpms vulnerabilities

Ubuntu: USN-5933-1 (CVE-2023-1017): Libtpms vulnerabilities

Severity

7

CVSS

(AV:L/AC:L/Au:S/C:C/I:C/A:C)

Published

02/28/2023

Created

03/29/2023

Added

03/22/2023

Modified

01/30/2025

Description

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

Solution(s)

• ubuntu-upgrade-libtpms0

References

• https://attackerkb.com/topics/cve-2023-1017
• CVE - 2023-1017
• USN-5933-1