CVE-2021-3569 — MEDIUM (5.5)

Q: How severe is CVE-2021-3569?

CVE-2021-3569 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-3569?

Check the references section above for vendor advisories and patch information. Affected products include: Libtpms Project Libtpms, Redhat Enterprise Linux.

Vulnerability Description

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 vulnerability is to system availability.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libtpms Project	Libtpms	< 0.7.2
Redhat	Enterprise Linux	8.0

Related Weaknesses (CWE)

CWE-120 CWE-787

References

https://bugzilla.redhat.com/show_bug.cgi?id=1964358Issue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1964358Issue TrackingPatchThird Party Advisory

FAQ

What is CVE-2021-3569?

CVE-2021-3569 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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. ...

How severe is CVE-2021-3569?

CVE-2021-3569 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3569?

Check the references section above for vendor advisories and patch information. Affected products include: Libtpms Project Libtpms, Redhat Enterprise Linux.