CVE-2025-61754
📋 TL;DR
This vulnerability in Oracle BI Publisher allows authenticated attackers with low privileges to access sensitive data via the Web Service API. It affects Oracle Analytics versions 7.6.0.0.0 and 8.2.0.0.0, potentially exposing confidential business intelligence data to unauthorized users.
💻 Affected Systems
- Oracle BI Publisher
- Oracle Analytics
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all Oracle BI Publisher accessible data, including sensitive business intelligence reports, financial data, and confidential organizational information.
Likely Case
Unauthorized access to specific critical data sets or reports that the attacker can discover through the vulnerable API endpoints.
If Mitigated
Limited data exposure if proper network segmentation and access controls are implemented, restricting which data low-privileged users can access.
🎯 Exploit Status
CVSS indicates 'easily exploitable' with low attack complexity. Requires authenticated access but only low privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Oracle Critical Patch Update for October 2025
Vendor Advisory: https://www.oracle.com/security-alerts/cpuoct2025.html
Restart Required: No
Instructions:
1. Review Oracle Critical Patch Update Advisory for October 2025. 2. Download and apply the appropriate patch for your Oracle BI Publisher version. 3. Test the patch in a non-production environment first. 4. Apply to production systems during maintenance windows.
🔧 Temporary Workarounds
Restrict Web Service API Access
allLimit network access to the Web Service API endpoints to only trusted IP addresses or networks.
Configure firewall rules to restrict access to Oracle BI Publisher Web Service API ports (typically HTTP/HTTPS)
Reduce Low Privilege Accounts
allMinimize the number of low-privilege accounts and review their access permissions.
Review and audit user accounts with low privileges in Oracle BI Publisher
🧯 If You Can't Patch
- Implement network segmentation to isolate Oracle BI Publisher from untrusted networks
- Enhance monitoring of Web Service API access patterns and alert on unusual data access
🔍 How to Verify
Check if Vulnerable:
Check your Oracle BI Publisher version against affected versions (7.6.0.0.0 or 8.2.0.0.0). Review Oracle advisory for specific patch availability.
Check Version:
Check Oracle BI Publisher administration console or use Oracle version checking utilities specific to your deployment.
Verify Fix Applied:
Verify patch installation through Oracle patch management tools and confirm version is no longer in vulnerable range.
📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to Web Service API endpoints
- Multiple data access attempts from low-privilege accounts
- Access to sensitive reports/data by unauthorized users
Network Indicators:
- HTTP requests to Web Service API endpoints from unexpected sources
- Increased data transfer from Oracle BI Publisher
SIEM Query:
source="oracle-bi-publisher" AND (event_type="api_access" OR event_type="data_access") AND user_privilege="low" AND data_sensitivity="high"