CVE-2025-61756
📋 TL;DR
This vulnerability allows unauthenticated attackers with network access via HTTP to cause a denial-of-service (DoS) condition in Oracle Financial Services Analytical Applications Infrastructure. Attackers can trigger a hang or crash, making the service unavailable. Organizations using affected versions of Oracle Financial Services Applications are at risk.
💻 Affected Systems
- Oracle Financial Services Analytical Applications Infrastructure
📦 What is this software?
Financial Services Analytical Applications Infrastructure by Oracle
View all CVEs affecting Financial Services Analytical Applications Infrastructure →
⚠️ Risk & Real-World Impact
Worst Case
Complete service outage of Oracle Financial Services Analytical Applications Infrastructure, disrupting financial operations and potentially causing business impact.
Likely Case
Service disruption through DoS attacks, requiring system restarts and causing temporary unavailability.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthenticated access to vulnerable components.
🎯 Exploit Status
CVSS indicates 'easily exploitable' with low attack complexity; unauthenticated network access via HTTP simplifies exploitation.
🛠️ 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: Yes
Instructions:
1. Review Oracle Critical Patch Update Advisory for October 2025. 2. Download and apply the appropriate patch for your version. 3. Restart affected services. 4. Verify patch application.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Oracle Financial Services Analytical Applications Infrastructure to trusted IP addresses only.
# Example firewall rule (Linux iptables): iptables -A INPUT -p tcp --dport 80 -s trusted_ip_range -j ACCEPT
# Example firewall rule (Windows): New-NetFirewallRule -DisplayName "Restrict Oracle HTTP" -Direction Inbound -Protocol TCP -LocalPort 80 -RemoteAddress trusted_ip_range -Action Allow
Load Balancer/Proxy Filtering
allConfigure load balancers or reverse proxies to filter malicious requests before they reach vulnerable systems.
# Configure WAF rules to detect and block DoS patterns
# Set rate limiting on HTTP endpoints
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems from untrusted networks.
- Deploy web application firewall (WAF) with DoS protection rules in front of vulnerable endpoints.
🔍 How to Verify
Check if Vulnerable:
Check Oracle Financial Services Applications version against affected versions: 8.0.7.9, 8.0.8.7, 8.1.2.5.Check Version:
# Check Oracle Financial Services Applications version via administrative interface or configuration files specific to your deploymentVerify Fix Applied:
Verify patch installation through Oracle patch management tools and confirm version is no longer in affected range.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP request patterns causing service hangs
- Repeated service crashes or restarts in application logs
- High error rates in System Configuration component logs
Network Indicators:
- Spike in HTTP traffic to Oracle Financial Services endpoints
- Unusual request patterns from single or multiple sources
SIEM Query:
source="oracle_financial_logs" AND (event_type="service_crash" OR event_type="service_hang") AND component="System_Configuration"