Information disclosure in Elasticsearch - CVE-2018-3831

 

Information disclosure in Elasticsearch - CVE-2018-3831

Published: September 30, 2019


Vulnerability identifier: #VU21419
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-3831
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Elastic Stack
Affected software:
Elasticsearch

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error in the lasticsearch _cluster/settings API within Elasticsearch Alerting and Monitoring feature, when secrets are configured via the API. A remote authenticated user can gain request the affected API endpoint and view sensitive configuration information such as passwords, tokens, or usernames.




How to mitigate CVE-2018-3831

Install updates from vendor's website.

Sources