USN-4804-1: Puppet vulnerabilities

15 March 2021

Several security issues were fixed in Puppet.

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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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

References

Related notices

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Further reading