Vulnerability identifier: #VU37740

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Puppet Agent
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Puppet Labs

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:

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

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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.