Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Exploit prediction scoring system (EPSS) score for CVE-2017-8438
Probability of exploitation activity in the next 30 days: 0.20%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 57 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-8438
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-8438
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The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
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The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: bressers@elastic.co (Secondary)
References for CVE-2017-8438
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https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952
Elastic Stack 5.4.1 and 5.3.3 Security updates - Security Announcements - Discuss the Elastic StackVendor Advisory
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https://www.elastic.co/community/security
Elastic Stack Security Disclosures ยท Report Issues | ElasticVendor Advisory
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https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released
Elasticsearch 5.4.1 and 5.3.3 released | Elastic BlogPatch;Vendor Advisory
Products affected by CVE-2017-8438
- cpe:2.3:a:elastic:x-pack:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:x-pack:5.1.0:*:*:*:*:*:*:*