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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWdxdmYtODkyci12am01

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.

Permalink: https://github.com/advisories/GHSA-gqvf-892r-vjm5
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWdxdmYtODkyci12am01
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 3 years ago
Updated: over 1 year ago


CVSS Score: 6.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-gqvf-892r-vjm5, CVE-2020-7942
References: Blast Radius: 26.6

Affected Packages

rubygems:puppet
Dependent packages: 112
Dependent repositories: 12,289
Downloads: 26,792,649 total
Affected Version Ranges: < 5.5.19, >= 6.0.0, < 6.13.0
Fixed in: 5.5.19, 6.13.0
All affected versions: 0.9.2, 0.13.0, 0.13.1, 0.13.2, 0.13.6, 0.16.0, 0.18.4, 0.22.4, 0.23.0, 0.23.1, 0.23.2, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.24.4, 0.24.5, 0.24.6, 0.24.7, 0.24.8, 0.24.9, 0.25.0, 0.25.1, 0.25.2, 0.25.3, 0.25.4, 0.25.5, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.9, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.16, 2.6.17, 2.6.18, 2.7.1, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.8, 2.7.9, 2.7.11, 2.7.12, 2.7.13, 2.7.14, 2.7.16, 2.7.17, 2.7.18, 2.7.19, 2.7.20, 2.7.21, 2.7.22, 2.7.23, 2.7.24, 2.7.25, 2.7.26, 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.1.1, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.5.1, 3.6.0, 3.6.1, 3.6.2, 3.7.0, 3.7.1, 3.7.2, 3.7.3, 3.7.4, 3.7.5, 3.8.1, 3.8.2, 3.8.3, 3.8.4, 3.8.5, 3.8.6, 3.8.7, 4.0.0, 4.1.0, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1, 4.3.2, 4.4.0, 4.4.1, 4.4.2, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.6.1, 4.6.2, 4.7.0, 4.7.1, 4.8.0, 4.8.1, 4.8.2, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.10.0, 4.10.1, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.10.8, 4.10.9, 4.10.10, 4.10.11, 4.10.12, 5.0.0, 5.0.1, 5.1.0, 5.2.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.3.7, 5.4.0, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.5.6, 5.5.7, 5.5.8, 5.5.10, 5.5.12, 5.5.13, 5.5.14, 5.5.16, 5.5.17, 5.5.18, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.7, 6.0.8, 6.0.9, 6.0.10, 6.1.0, 6.2.0, 6.3.0, 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.4.4, 6.4.5, 6.5.0, 6.6.0, 6.7.0, 6.7.2, 6.8.0, 6.8.1, 6.9.0, 6.10.0, 6.10.1, 6.11.0, 6.11.1, 6.12.0
All unaffected versions: 5.5.19, 5.5.20, 5.5.21, 5.5.22, 6.13.0, 6.14.0, 6.15.0, 6.16.0, 6.17.0, 6.18.0, 6.19.0, 6.19.1, 6.20.0, 6.21.0, 6.21.1, 6.22.1, 6.23.0, 6.24.0, 6.25.0, 6.25.1, 6.26.0, 6.27.0, 6.28.0, 6.29.0, 7.0.0, 7.1.0, 7.3.0, 7.4.0, 7.4.1, 7.5.0, 7.6.1, 7.7.0, 7.8.0, 7.9.0, 7.10.0, 7.11.0, 7.12.0, 7.12.1, 7.13.1, 7.14.0, 7.15.0, 7.16.0, 7.17.0, 7.18.0, 7.19.0, 7.20.0, 7.21.0, 7.22.0, 7.23.0, 7.24.0, 7.25.0, 7.26.0, 7.27.0, 7.28.0, 7.29.0, 7.29.1, 7.30.0, 7.31.0, 7.32.1, 7.33.0, 7.34.0, 8.0.0, 8.0.1, 8.1.0, 8.2.0, 8.3.0, 8.3.1, 8.4.0, 8.5.0, 8.5.1, 8.6.0, 8.7.0, 8.8.1, 8.9.0, 8.10.0