Improper access control in Puppet Enterprise - CVE-2016-2787

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Main Vulnerability Database Vulnerabilities #VU39662

Improper access control in Puppet Enterprise - CVE-2016-2787

Published: February 13, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39662
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-2787
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Puppet Labs
Affected software:
Puppet Enterprise

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The Puppet Communications Protocol in Puppet Enterprise 2015.3.x before 2015.3.3 does not properly validate certificates for the broker node, which allows remote non-whitelisted hosts to prevent runs from triggering via unspecified vectors.


How to mitigate CVE-2016-2787

Install update from vendor's website.

Sources