CVE-2017-8438

https://notcve.org/view.php?id=CVE-2017-8438

Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a privilege escalation bug in the run_as functionality. This bug prevents transitioning into the specified user specified in a run_as request. If a role has been created using a template that contains the _user properties, the behavior of run_as will be incorrect. Additionally if the run_as user specified does not exist, the transition will not happen. Las versiones 5.0.0 hasta 5.4.0 de Elastic X-Pack Security contienen un error de escalación de privilegios en la funcionalidad run_as. • https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952 https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released https://www.elastic.co/community/security • CWE-269: Improper Privilege Management CWE-284: Improper Access Control •