Remote code execution in Puppet Enterprise

1) Remote code execution

EUVDB-ID: #VU10960

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-6508

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:puppet_labs:puppet_enterprise:3.3:*:*:*:*:*:*:*

External links

https://puppet.com/security/cve/CVE-2018-6508

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.