CVE-2017-8449 : Exploit Details and Defense Strategies
Learn about CVE-2017-8449 affecting Elastic X-Pack Security. Unauthorized access to sensitive data due to a flaw in field level security rules. Find mitigation steps and preventive measures.
X-Pack Security 5.2.x vulnerability allowed unauthorized access to more fields than intended due to a flaw in field level security rules.
Understanding CVE-2017-8449
X-Pack Security 5.2.x flaw allowed users to access additional fields by exploiting field level security rules.
What is CVE-2017-8449?
X-Pack Security 5.2.x had a vulnerability that permitted users to view more fields than authorized when specific grant and exclude rules were combined in field level security rules.
The Impact of CVE-2017-8449
- Unauthorized users could access sensitive data beyond their permitted scope.
- Potential exposure of critical resources due to incorrect permission assignment.
Technical Details of CVE-2017-8449
X-Pack Security 5.2.x vulnerability details.
Vulnerability Description
X-Pack Security 5.2.x flaw allowed users to access more fields than intended by exploiting field level security rules.
Affected Systems and Versions
- Product: Elastic X-Pack Security
- Vendor: Elastic
- Versions Affected: Before 5.3.0
Exploitation Mechanism
The flaw could be exploited by combining grant and exclude rules in field level security rules for the same index.
Mitigation and Prevention
Protecting systems from CVE-2017-8449.
Immediate Steps to Take
- Upgrade to version 5.3.0 or newer to mitigate the vulnerability.
- Review and adjust field level security rules to ensure proper access control.
Long-Term Security Practices
- Regularly review and update access control policies.
- Conduct security audits to identify and address similar vulnerabilities.
Patching and Updates
- Apply security patches promptly to address known vulnerabilities and enhance system security.