6.1

CVE-2021-3623

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libtpms Project ≫ Libtpms Version < 0.6.5
Libtpms Project ≫ Libtpms Version >= 0.7.0 < 0.7.8
Libtpms Project ≫ Libtpms Version >= 0.8.0 < 0.8.4
Redhat ≫ Enterprise Linux Version8.0 SwEditionadvanced_virtualization
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.234
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.1 1.8 4.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:P/I:N/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

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