Information disclosure in Elastic Elasticsearch
CVE-2018-17244
Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; when used with run as, this can result in the request running as the incorrect user. This could allow a user to access information that they should not have access to.
Vulnerability class: Race Condition
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Elastic Elasticsearch — versions 6.4.0 to 6.4.2
Weakness classification (CWE)
References
- security@elastic.co (x_refsource_MISC, Vendor Advisory)
- security@elastic.co (x_refsource_CONFIRM, Vendor Advisory)
- security@elastic.co (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-17244?
- CVE-2018-17244 is a medium-severity vulnerability in Elastic Elasticsearch, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.5/10. Published 2018-12-20.
- How severe is CVE-2018-17244?
- Medium severity. CVSS v3 base score is 6.5 out of 10.