CVE-2023-48929
📋 TL;DR
This session fixation vulnerability in Franklin Fueling Systems System Sentinel AnyWare allows attackers to hijack user sessions by manipulating the 'sid' parameter. Attackers can escalate privileges and access sensitive information. Organizations using SSA version 1.6.24.492 are affected.
💻 Affected Systems
- Franklin Fueling Systems System Sentinel AnyWare
📦 What is this software?
System Sentinel Anyware by Franklin Electric
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with administrative access, data theft, and potential disruption of fueling operations
Likely Case
Unauthorized access to sensitive fueling system data and configuration information
If Mitigated
Limited impact with proper session management and network segmentation in place
🎯 Exploit Status
Exploitation requires initial access to the application but session fixation is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not publicly available
Restart Required: No
Instructions:
Contact Franklin Fueling Systems for security updates and patching guidance
🔧 Temporary Workarounds
Implement proper session management
allConfigure the application to generate new session IDs upon authentication and invalidate old sessions
Network segmentation
allRestrict access to the SSA web interface to authorized networks only
🧯 If You Can't Patch
- Implement web application firewall rules to detect and block session fixation attempts
- Monitor for unusual session activity and implement strict access controls
🔍 How to Verify
Check if Vulnerable:
Check if accessing group_status.asp with manipulated 'sid' parameter allows session hijackingCheck Version:
Check application version in web interface or configuration filesVerify Fix Applied:
Test that session IDs are properly regenerated upon authentication and old sessions are invalidated📡 Detection & Monitoring
Log Indicators:
- Multiple session IDs from same user, unusual session creation patterns
Network Indicators:
- Repeated requests to group_status.asp with different sid parameters
SIEM Query:
web_requests url="*group_status.asp*" AND (parameter="sid" OR session_anomaly=true)