Vulnerability identifier: #VU10960

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6508

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Puppet Enterprise
Client/Desktop applications / Software for system administration

Vendor: Puppet Labs

Description
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The weakness exists in the facter_task and puppet_conf functions due to the insufficient handling of user-supplied input. A remote attacker can submit a specially crafted string and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 3.4.

Vulnerable software versions

Puppet Enterprise: 3.0 - 3.3

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External links
http://puppet.com/security/cve/CVE-2018-6508

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.