Quantum Secular Labs / Blog / Advisories
CVE-2018-6512: Puppet Pe Razor Server: Code execution
CVE-2018-6512 is rated critical with a CVSS v3.0 base score of 9.8 and affects Puppet Pe Razor Server. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
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.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-94: Improper Control of Generation of Code
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.
Affected products
- Puppet Pe Razor Server: before 1.9.0.0
- Puppet Enterprise: from 2018.1.0 before 2018.1.1
- Puppet Razor Server: before 1.9.0.0