Keylime Registrar C-R Bypass Allows Agent Impersonation
CVE-2023-38201 Published on August 25, 2023
Keylime: challenge-response protocol bypass during agent registration
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.
Vulnerability Analysis
Timeline
Reported to Red Hat.
Made public. 41 days later.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2023-38201 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2023-38201
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Affected Versions
Red Hat Enterprise Linux 9:- Version 0:6.5.2-6.el9_2 and below * is unaffected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2023-38201
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| pip | keylime | < 7.5.0 | 7.5.0 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.