Oracle Business Intelligence Adfresource Path traversal CVE-2019-2588
Description
The Adfresource servlet in Oracle Business Intelligence contains a path traversal vulnerability (CVE-2019-2588) that allows authenticated attackers with high-level privileges to bypass directory restrictions. By manipulating file path parameters in HTTP requests, attackers can traverse the server's directory structure to access files and directories outside the intended scope, potentially exposing sensitive configuration files, credentials, and system information.
Remediation
Apply the Oracle Critical Patch Update from April 2019 immediately to remediate this vulnerability. Follow these steps:
1. Review the Oracle Critical Patch Update Advisory - April 2019 to identify the specific patch applicable to your Oracle Business Intelligence version
2. Test the patch in a non-production environment to ensure compatibility with your deployment
3. Schedule a maintenance window and apply the patch to all affected Oracle Business Intelligence instances
4. Verify the patch installation by checking the version number and testing the Adfresource servlet functionality
5. As an additional security measure, review and restrict administrative access to Oracle Business Intelligence to only essential personnel
6. Monitor access logs for any suspicious file access patterns that may indicate exploitation attempts
If immediate patching is not possible, implement network-level access controls to restrict access to the Oracle Business Intelligence server to trusted IP addresses only.