CVE-2024-36066

Description

The CMP CLI client in KeyFactor EJBCA before 8.3.1 has only 6 octets of salt, and is thus not compliant with the security requirements of RFC 4211, and might make man-in-the-middle attacks easier. CMP includes password-based MAC as one of the options for message integrity and authentication (the other option is certificate-based). RFC 4211 section 4.4 requires that password-based MAC parameters use a salt with a random value of at least 8 octets. This helps to inhibit dictionary attacks. Because the standalone CMP client originally was developed as test code, the salt was instead hardcoded and only 6 octets long.

3.1

CVSS

Severity: Low

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory keyfactor.com

Affected: n/a n/a

References

Link	Tags
https://datatracker.ietf.org/doc/html/rfc4211#section-4.4	technical description
https://support.keyfactor.com/hc/en-us/articles/26965687021595-EJBCA-Security-Advisory-EJBCA-standalone-CMP-CLI-client	mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-36066?: CVE-2024-36066 has been scored as a low severity vulnerability.
How to fix CVE-2024-36066?: To fix CVE-2024-36066, 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-2024-36066 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-36066 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.

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