What is CVE-2021-3569?

CVE-2021-3569 is a medium-severity vulnerability in Libtpms_project Libtpms, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2021-06-03.

How severe is CVE-2021-3569?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Libtpms_project Libtpms

CVE-2021-3569

A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerabil…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Libtpms_project Libtpms
Redhat Enterprise_linux — versions 8.0
N/a Libtpms — versions libtpms 0.7.2, libtpms 0.8.0

Weakness classification (CWE)

References

secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-3569?: CVE-2021-3569 is a medium-severity vulnerability in Libtpms_project Libtpms, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2021-06-03.
How severe is CVE-2021-3569?: Medium severity. CVSS v3 base score is 5.5 out of 10.