Improper Certificate Validation in Puppet



Published: 2017-12-21 | Updated: 2020-08-08
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-4100
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Puppet Agent
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Puppet Labs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU37740

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-4100

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to #BASIC_IMPACT#.

Puppet Enterprise 3.7.x and 3.8.0 might allow remote authenticated users to manage certificates for arbitrary nodes by leveraging a client certificate trusted by the master, aka a "Certificate Authority Reverse Proxy Vulnerability."

Mitigation

Install update from vendor's website.

Vulnerable software versions

Puppet Agent: 3.8.0

External links

http://puppet.com/security/cve/CVE-2015-4100


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.



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