SB2017122109 - Improper Certificate Validation in Puppet



SB2017122109 - Improper Certificate Validation in Puppet

Published: December 21, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017122109
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Certificate Validation (CVE-ID: CVE-2015-4100)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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."


Remediation

Install update from vendor's website.