Keylime registrar SSL DoS via blocking connection exhaustion
CVE-2023-38200 Published on July 24, 2023
Keylime: registrar is subject to a dos against ssl connections
A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This flaw allows an attacker to exhaust all available connections.
Vulnerability Analysis
CVE-2023-38200 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2023-38200 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2023-38200
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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-2023-38200
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| pip | keylime | < 7.4.0 | 7.4.0 |
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.