CVE-2021-3623
MEDIUMlibtpms < 0.6.5 - Out-of-bounds Write via TPM 2 Command Packet Processing
Title source: llmDescription
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.
References (6)
Core 6
Core References
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1976806
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/stefanberger/libtpms/pull/223
Patch, Third Party Advisory x_refsource_misc
https://github.com/stefanberger/libtpms/commit/2f30d62
Patch, Third Party Advisory x_refsource_misc
https://github.com/stefanberger/libtpms/commit/7981d9a
Patch, Third Party Advisory x_refsource_misc
https://github.com/stefanberger/libtpms/commit/2e6173c
Scores
CVSS v3
6.1
EPSS
0.0005
EPSS Percentile
16.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Details
CWE
CWE-787
Status
published
Products (3)
fedoraproject/fedora
34
libtpms_project/libtpms
< 0.6.5
redhat/enterprise_linux
8.0
Published
Mar 02, 2022
Tracked Since
Feb 18, 2026