1. Ubuntu Security Notices
  2. USN-4804-1

USN-4804-1: Puppet vulnerabilities

Publication date

15 March 2021

Overview

Several security issues were fixed in Puppet.

Releases

Packages

  • puppet - Centralized configuration management

Details

It was discovered that Puppet installed modules with world writable
permissions. An attacker could use this vulnerability to execute arbitrary
code or cause a denial of service. (CVE-2017-10689)

It was discovered that Puppet could be used to force YAML deserialization in an
unsafe manner. A remote attacker could use this vulnerability for remote code
execution. (CVE-2017-2295)

It was discovered that Puppet installed modules with world writable
permissions. An attacker could use this vulnerability to execute arbitrary
code or cause a denial of service. (CVE-2017-10689)

It was discovered that Puppet could be used to force YAML deserialization in an
unsafe manner. A remote attacker could use this vulnerability for remote code
execution. (CVE-2017-2295)

Update instructions

After a standard system update you need to restart Puppet to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial puppet –  3.8.5-2ubuntu0.1+esm1  
puppet-common –  3.8.5-2ubuntu0.1+esm1  

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References

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