CVE-2017-8438

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.

Categories

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory elastic.co Vendor Advisory elastic.co Vendor Advisory elastic.co
Affected: Elastic X-Pack Security
Published at:
Updated at:

References

Link Tags
https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952 vendor advisory
https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released patch vendor advisory
https://www.elastic.co/community/security vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-8438?
CVE-2017-8438 has been scored as a high severity vulnerability.
How to fix CVE-2017-8438?
To fix CVE-2017-8438, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-8438 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-8438 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-8438?
CVE-2017-8438 affects Elastic X-Pack Security.
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