Description
The Puppet Communications Protocol (PCP) Broker incorrectly validates message header sizes. An attacker could use this to crash the PCP Broker, preventing commands from being sent to agents. This is resolved in Puppet Enterprise 2016.4.3 and 2016.5.2.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://puppet.com/security/cve/cve-2016-9686
Scores
CVSS v3
5.3
EPSS
0.0127
EPSS Percentile
66.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-20
Status
published
Products (5)
Puppet/Puppet Enterprise
2015.3.x
Puppet/Puppet Enterprise
2016.5.1.
Puppet/Puppet Enterprise
2016.x prior to 2016.4.3
puppet/puppet_enterprise
2016.5.1
puppet/puppet_enterprise
2016.4.0 - 2016.4.3
Published
Feb 08, 2017
Tracked Since
Feb 18, 2026