Puppet 2.7.x before 2.7.21 and 3.1.x before 3.1.1, when running Ruby 1.9.3 or later, allows remote attackers to execute arbitrary code via vectors related to "serialized attributes."

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-1655
• https://puppetlabs.com/security/cve/cve-2013-1655/
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00004.html
• http://lists.opensuse.org/opensuse-updates/2013-04/msg00056.html
• http://ubuntu.com/usn/usn-1759-1
• http://www.debian.org/security/2013/dsa-2643
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2013-1655.yml
• https://web.archive.org/web/20200228144801/http://www.securityfocus.com/bid/58442
• https://www.puppet.com/security/cve/cve-2013-1655-unauthenticated-remote-code-execution-vulnerability