CVE-2021-3623

 

Published at: - 03-03-2022 12:15

Last modified: - 07-10-2022 05:07

Total changes: - 7

Description

A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

 

Verification logic

 

Reference

• https://github.com/stefanberger/libtpms/pull/223
• https://github.com/stefanberger/libtpms/commit/2e6173c
• https://github.com/stefanberger/libtpms/commit/7981d9a
• https://github.com/stefanberger/libtpms/commit/2f30d62
• https://bugzilla.redhat.com/show_bug.cgi?id=1976806
• FEDORA-2021-465b5c3b67-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2021-3623

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures