CVE-2017-8438 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8