CVE-2020-7942 – puppet

Package

Manager: gem
Name: puppet
Vulnerable Version: >=6.0.0 <6.13.0 || >=0 <5.5.19

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00119 pctl0.31417

Details

Improper Certificate Validation in Puppet Previously, Puppet operated on the model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node's catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet 6.13.0 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure behavior.

Metadata

Created: 2021-04-13T15:42:19Z
Modified: 2023-07-05T19:26:32Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-gqvf-892r-vjm5/GHSA-gqvf-892r-vjm5.json
CWE IDs: ["CWE-295"]
Alternative ID: GHSA-gqvf-892r-vjm5
Finding: F163
Auto approve: 1