CVE-2021-3623

EPSS 0.3%CWE-787

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

02 Mar 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

n/a · libtpms

References

https://bugzilla.redhat.com/show_bug.cgi?id=1976806 https://github.com/stefanberger/libtpms/commit/2e6173c https://github.com/stefanberger/libtpms/commit/2f30d62 https://github.com/stefanberger/libtpms/commit/7981d9a https://github.com/stefanberger/libtpms/pull/223 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/