Information disclosure in Elasticsearch - CVE-2018-3831
Published: September 30, 2019
Vulnerability identifier: #VU21419
CSH Severity: Medium
CVSS v4: 7.1 [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]
CVE-ID: CVE-2018-3831
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Elasticsearch
How to mitigate CVE-2018-3831
Install updates from vendor's website.
Elasticsearch - addressed in versions 5.6.12, 6.4.1