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Vulnerability DatabaseCVE-2023-1894

CVE-2023-1894: 
Puppet vulnerability analysis and mitigation

Overview

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. The vulnerability, identified as CVE-2023-1894, affects Puppet Enterprise 2021.7.1, Puppet Enterprise 2023.0, and Puppet Server 7.9.2. The issue is related to specifically crafted certificate names that could significantly slow down server operations (Puppet CVE).

Technical details

The vulnerability has been assigned a CVSS 3 Base Score of 5.3, indicating a medium severity level. The issue specifically affects the certificate validation process in Puppet Server, where maliciously crafted certificate names can cause server performance degradation through Regular Expression Denial of Service (Puppet CVE).

Impact

When exploited, this vulnerability can cause significant slowdown of server operations through Regular Expression Denial of Service attacks, potentially affecting the availability of Puppet Server services (Puppet CVE).

Mitigation and workarounds

The vulnerability has been resolved in the following versions: Puppet Enterprise 2021.7.3, Puppet Enterprise 2023.1, and Puppet Server versions 7.11.0 and 8.0.0. Users are advised to upgrade to these patched versions to mitigate the vulnerability (Puppet CVE).

Additional resources

Source: This report was generated using AI

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Published date

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