What is CVE-2023-1894?

CVE-2023-1894 is a medium-severity vulnerability in Puppet Enterprise, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2023-05-04.

How severe is CVE-2023-1894?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Puppet Enterprise

CVE-2023-1894

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Puppet Enterprise — versions 2021.7.1, 2023.0.0
Puppet Puppet_enterprise — versions 2021.7.1, 2023.0
Puppet Server — versions 7.9.2
Puppet Puppet_server — versions 7.9.2

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security@puppet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-1894?: CVE-2023-1894 is a medium-severity vulnerability in Puppet Enterprise, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2023-05-04.
How severe is CVE-2023-1894?: Medium severity. CVSS v3 base score is 5.3 out of 10.