Vulnerabilities > CVE-2021-3746

CVSS 6.5 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

libtpms-project

fedoraproject

redhat

NVD

Published: 2021-10-19

Updated: 2024-11-21

Summary

A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6.

Vulnerable Configurations

Part	Description	Count
Application	Libtpms_Project Libtpms Project Libtpms 0.6.0 Libtpms Project Libtpms 0.6.1 Libtpms Project Libtpms 0.6.2 Libtpms Project Libtpms 0.6.3 Libtpms Project Libtpms 0.6.4 Libtpms Project Libtpms 0.6.5 Libtpms Project Libtpms 0.8.0 Libtpms Project Libtpms 0.8.1 Libtpms Project Libtpms 0.8.2 Libtpms Project Libtpms 0.8.3 Libtpms Project Libtpms 0.8.4 Libtpms Project Libtpms 0.7.0 Libtpms Project Libtpms 0.7.1 Libtpms Project Libtpms 0.7.2 Libtpms Project Libtpms 0.7.3 Libtpms Project Libtpms 0.7.4 Libtpms Project Libtpms 0.7.5 Libtpms Project Libtpms 0.7.6 Libtpms Project Libtpms 0.7.7 Libtpms Project Libtpms 0.7.8	20
OS	Fedoraproject Fedoraproject Fedora 34	1
OS	Redhat Redhat Enterprise Linux 8.0	2

Vulnerabilities > CVE-2021-3746 {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Vulnerabilities","item":"https://cyber.vumetric.com/vulns/"},{"@type":"ListItem","position":2,"name":"CVE-2021-3746"}]}

Summary

Vulnerable Configurations

References

Vulnerabilities > CVE-2021-3746