CVE-2021-45446 Explained : Impact and Mitigation
Learn about CVE-2021-45446, a vulnerability in Hitachi Vantara Pentaho Business Analytics Server versions prior to 9.2.0.2 and 8.3.0.25 exposing directory listings. Understand the impact, technical details, and mitigation steps.
A vulnerability in Hitachi Vantara Pentaho Business Analytics Server could expose sensitive information through directory listing. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2021-45446
What is CVE-2021-45446?
A vulnerability in Hitachi Vantara Pentaho Business Analytics Server versions prior to 9.2.0.2 and 8.3.0.25 allows an attacker to view the complete index of resources in the directory, potentially exposing sensitive information.
The Impact of CVE-2021-45446
A directory listing vulnerability facilitates unauthorized access by revealing the complete resource index in the directory. This exposure can lead to various risks depending on the accessibility of the listed files.
Technical Details of CVE-2021-45446
Vulnerability Description
The vulnerability in Hitachi Vantara Pentaho Business Analytics Server fails to propagate the hidden property to subfolders of the Home directory, enabling an attacker to obtain a full index of directory resources.
Affected Systems and Versions
- Product: Pentaho Business Analytics Server
- Vendor: Hitachi Vantara
- Affected Versions:
- Version 1.0 (all) less than 8.3.0.25 (affected)
- Version 9.0 (all) less than 9.2.0.2 (affected)
Exploitation Mechanism
The issue arises due to the improper handling of the hidden property within the Home folder, allowing unauthorized users to access and view the complete directory listing.
Mitigation and Prevention
Immediate Steps to Take
- Update Pentaho Business Analytics Server to versions 9.2.0.2 or higher to mitigate the vulnerability.
- Restrict access to sensitive directory listings based on user permissions.
- Monitor for any unauthorized access attempts or unusual directory listings.
Long-Term Security Practices
- Regularly review and enforce directory permissions to prevent unauthorized access.
- Conduct security audits and penetration tests to identify and address vulnerabilities proactively.
Patching and Updates
Apply security patches provided by Hitachi Vantara promptly to address the directory listing vulnerability.