CVE-2023-1894 — MEDIUM (5.3)

Vulnerability Description

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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Puppet	Puppet Enterprise	2021.7.1
Puppet	Puppet Server	7.9.2

Related Weaknesses (CWE)

CWE-1333

References

https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redosVendor Advisory
https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redosVendor Advisory

FAQ

What is CVE-2023-1894?

CVE-2023-1894 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...

How severe is CVE-2023-1894?

CVE-2023-1894 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-1894?

Check the references section above for vendor advisories and patch information. Affected products include: Puppet Puppet Enterprise, Puppet Puppet Server.