CVE-2023-3674

Keylime: attestation failure when the quote's signature does not validate

Description

A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.

References

Link	Tags
https://access.redhat.com/errata/RHSA-2024:1139	vendor advisory
https://access.redhat.com/security/cve/CVE-2023-3674	third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2222903	patch third party advisory issue tracking
https://github.com/keylime/keylime/commit/95ce3d86bd2c53009108ffda2dcf553312d733db	patch

Frequently Asked Questions

What is the severity of CVE-2023-3674?: CVE-2023-3674 has been scored as a low severity vulnerability.
How to fix CVE-2023-3674?: To fix CVE-2023-3674, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3674 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-3674 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3674?: CVE-2023-3674 affects Red Hat Red Hat Enterprise Linux 9.

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Description

Category

CWE-1283 – Mutable Attestation or Measurement Reporting Data

References

Frequently Asked Questions