A vulnerability, which was classified as critical, has been found in Puppet Enterprise (Service Management Software). This issue affects an unknown code block of the component Upgrade Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The previous version of Puppet Enterprise 2018.1 is vulnerable to unsafe code execution when upgrading pe-razor-server. Affected releases are Puppet Enterprise: 2018.1.x versions prior to 2018.1.1 and razor-server and pe-razor-server prior to 1.9.0.0.

The bug was discovered 06/07/2018. The weakness was shared 06/11/2018 (Website). The advisory is shared at puppet.com. The identification of this vulnerability is CVE-2018-6512 since 02/01/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2018.1 eliminates this vulnerability.

The entry 119370 is related to this item.

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• Service Management Software

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• Puppet Enterprise

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• free

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