Buffer overflow in Libtpms_project Libtpms
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/…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (22.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Libtpms_project Libtpms
- Fedoraproject Fedora — versions 34
- Redhat Enterprise_linux — versions 8.0
- N/a Libtpms — versions Fixed-In - libtpms 0.6.5, libtpms 0.7.8, libtpms 0.8.4
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3623?
- CVE-2021-3623 is a medium-severity vulnerability in Libtpms_project Libtpms, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2022-03-02.
- How severe is CVE-2021-3623?
- Medium severity. CVSS v3 base score is 6.1 out of 10.