Missing Encryption of Sensitive Data in Elasticsearch - CVE-2018-3826
Published: September 19, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36628
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-2018-3826
CWE-ID: CWE-311
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Elastic Stack
Affected software:
Elasticsearch
Elasticsearch
Detailed vulnerability description
The vulnerability allows a remote authenticated user to gain access to sensitive information.
In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API. When the access_key and security_key parameters are set using the _snapshot API they can be exposed as plain text by users able to query the _snapshot API.
How to mitigate CVE-2018-3826
Install update from vendor's website.