PT-2021-20374 · Keylime · Keylime

Patrick Uiterwijk + 1 · Published 2021-02-25 · Updated 2022-10-27 · CVE-2021-3406

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: keylime versions 5.8.1 and older

Description: A flaw was found in the Keylime agent and registrar code, which invalidates the cryptographic chain of trust from the Endorsement Key certificate to agent attestations.

Recommendations: For keylime versions 5.8.1 and older, update to a version newer than 5.8.1 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Improper Certificate Validation

Weakness Enumeration

CWE-347

CWE-295

Related Identifiers

CVE-2021-3406

GHSA-78F8-6C68-375M

Affected Products

Keylime

References · 7

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3406 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3406 · Vendor Advisory
• https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m · Note
• https://t.me/cibsecurity/24151 · Telegram Post
• https://bugzilla.redhat.com/show_bug.cgi?id=1932469 · Note
• https://t.me/cvenotify/10512 · Telegram Post