SB2021092812 - IBM Security SOAR update for Elasticsearch
Published: September 28, 2021 Updated: October 19, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper Preservation of Permissions (CVE-ID: CVE-2021-22137)
CWE-ID: CWE-281 - Improper preservation of permissions
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to search queries do not properly preserve security permissions when executing certain cross-cluster search queries. A remote user can disclose existence of documents via search functionality, when Document or Field Level Security is used.
2) Security restrictions bypass (CVE-ID: CVE-2021-22135)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists in the Elasticsearch suggester and profile API when Document and Field Level Security are enabled. A remote user can perform certain queries to enable the profiler and suggester on index and disclose existence of documents and fields.
Remediation
Install update from vendor's website.