Vulnerability identifier: #VU39662
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
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 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Puppet Enterprise: 2015.3 - 2015.3.2
External links
http://puppet.com/security/cve/CVE-2016-2787
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.