Insufficient Input Validation Affecting puppet package, versions >=2.7.0, <2.7.18 <2.6.17


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.84% (82nd percentile)
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NVD
4.3 medium

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  • Snyk ID SNYK-RUBY-PUPPET-20318
  • published 28 Feb 2017
  • disclosed 27 Jun 2012
  • credit Puppet Labs

How to fix?

Upgrade puppet to version 2.6.17, 2.7.18 or higher.

Overview

puppet is an automated configuration management tool. Affected versions of the package are vulnerable due to Insufficient Input Validation. The Common Name (CN) field in the Certificate Signing Request (CSR) is not properly validated and restricted. Requests containing specific ANSI control sequences may rewrite the order of text displayed to an administrator such that display of an invalid certificate and valid certificate are transposed. If the administrator signs the attacker’s certificate, the attacker can then man-in-the-middle the deployment’s agent nodes.