CVE-2023-50954
📋 TL;DR
IBM InfoSphere Information Server 11.7 exposes sensitive information in URLs, potentially revealing system details that could aid attackers in reconnaissance or further exploitation. This affects organizations running vulnerable versions of IBM InfoSphere Information Server. The vulnerability allows attackers to gather information about the system configuration.
💻 Affected Systems
- IBM InfoSphere Information Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could use exposed information to plan targeted attacks, potentially leading to data breaches or system compromise through chained vulnerabilities.
Likely Case
Information disclosure that helps attackers understand system architecture and identify other potential vulnerabilities for exploitation.
If Mitigated
Limited impact with proper network segmentation and access controls, though information exposure still occurs.
🎯 Exploit Status
Information disclosure typically requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fix from IBM Security Bulletin
Vendor Advisory: https://www.ibm.com/support/pages/node/7158597
Restart Required: Yes
Instructions:
1. Review IBM Security Bulletin. 2. Apply the recommended fix or upgrade. 3. Restart affected services. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to IBM InfoSphere Information Server to trusted sources only
Web Application Firewall
allImplement WAF rules to filter or block requests containing sensitive information in URLs
🧯 If You Can't Patch
- Implement strict network segmentation and access controls
- Monitor logs for unusual access patterns to sensitive URLs
🔍 How to Verify
Check if Vulnerable:
Check if IBM InfoSphere Information Server 11.7 is running and review URLs for sensitive information exposureCheck Version:
Check IBM InfoSphere Information Server version through administration console or system documentationVerify Fix Applied:
Verify the fix is applied by checking version/patch level and testing that sensitive information is no longer exposed in URLs📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to URLs containing sensitive parameters
- Repeated requests to specific URL patterns
Network Indicators:
- HTTP requests to URLs with sensitive parameter names
- Traffic patterns indicating reconnaissance activity
SIEM Query:
Search for HTTP requests containing sensitive parameter names in URL query strings