Inefficient regular expression complexity in Puppet Server and Puppet Enterprise - CVE-2023-1894

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Main Vulnerability Database Vulnerabilities #VU83504

Inefficient regular expression complexity in Puppet Server and Puppet Enterprise - CVE-2023-1894

Published: November 27, 2023


Vulnerability identifier: #VU83504
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-1894
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Affected software

Puppet Server
Puppet Enterprise
Red Hat Satellite

How to mitigate CVE-2023-1894

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Puppet Server - addressed in versions 7.11.0, 8.0.0
Puppet Enterprise - addressed in versions 2021.7.3, 2023.1.0
Red Hat Satellite - update to 6.14

External References

Related Security Bulletins