SB2021021101 - Information disclosure in Elasticsearch
Published: February 11, 2021
Security Bulletin ID
SB2021021101
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2020-7021)
CWE-ID: CWE-532 - Information Exposure Through Log Files
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote administrator to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files, when audit logging and the emit_request_body option is enabled. The Elasticsearch administrator can view the audit log and obtain password hashes or authentication tokens in clear text.
Remediation
Install update from vendor's website.