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CVE-2022-1053

9.1 · CRITICAL

Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifier for validating the integrity quote.

Published May 6, 2022CWE-20EPSS 1.48%

Overview

CVE-2022-1053 is a critical-severity vulnerability. It was published on May 6, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifier for validating the integrity quote. This allows an attacker to use one AK, EK pair from a real TPM to pass EK validation and give the verifier an AK of a software TPM. A successful attack breaks the entire chain of trust because a not validated AK is used by the verifier. This issue is worse if the validation happens first and then the agent gets added to the verifier because the timing is easier and the verifier does not validate the regcount entry being equal to 1,

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=2065024%2CGitHubgithub.com/keylime/keylime/commit/bd5de712acdd77860e7dc58969181e16c7a8dc5dGitHubgithub.com/keylime/keylime/security/advisories/GHSA-jf66-3q76-h5p5%2CReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WAKVXM7L5D2DUACV6EHA6EJNAX2GVL/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RF6QHU4UGSBATC3HOOE7OP66CYVTR7CV/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WEW2PAXO5YGLDLPG45YV2OPLJXJSCECQ/Refbugzilla.redhat.com/show_bug.cgi?id=2065024%2CGitHubgithub.com/keylime/keylime/commit/bd5de712acdd77860e7dc58969181e16c7a8dc5dGitHubgithub.com/keylime/keylime/security/advisories/GHSA-jf66-3q76-h5p5%2CReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7WAKVXM7L5D2DUACV6EHA6EJNAX2GVL/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-1053?

CVE-2022-1053 is a critical-severity vulnerability. It was published on May 6, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2022-1053?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-1053?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-1053?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-1053 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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