Arbitrary Code Execution Vulnerability in MCollective

CVE-2017-2292 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

Versions of MCollective prior to 2.10.4 deserialized YAML from agents without calling safe_load, allowing the potential for arbitrary code execution on the server. The fix for this is to call YAML.safe_load on input. This has been tested in all Puppet-supplied MCollective plugins, but there is a chance that third-party plugins could rely on this insecure behavior.

Learn more about our Cis Benchmark Audit For Server Software.