CVE-2023-24709
📋 TL;DR
This vulnerability in Paradox Security Systems IPR512 allows attackers to cause denial of service by exploiting injection vulnerabilities in login.html and login.xml parameters. Attackers can crash or disrupt the security system's functionality. Organizations using IPR512 security systems are affected.
💻 Affected Systems
- Paradox Security Systems IPR512
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system outage of security monitoring, disabling alarms, access control, and surveillance functions
Likely Case
Temporary service disruption requiring system reboot, potentially creating security gaps
If Mitigated
Limited impact with proper network segmentation and monitoring, but still requires system restart
🎯 Exploit Status
Multiple public proof-of-concept exploits available on GitHub and Packet Storm
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not found in provided references
Restart Required: Yes
Instructions:
1. Contact Paradox Security Systems for firmware updates
2. Apply any available patches
3. Reboot system after patching
🔧 Temporary Workarounds
Network Segmentation
allIsolate IPR512 systems from untrusted networks and internet
Access Control Lists
linuxRestrict access to web interface to authorized IP addresses only
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules
- Monitor for abnormal traffic patterns to login endpoints
- Consider replacing with supported/patched hardware
🔍 How to Verify
Check if Vulnerable:
Check system logs for repeated login attempts with malformed parameters or system crashes
Check Version:
Check web interface footer or system information page for firmware version
Verify Fix Applied:
Test with known exploit payloads after implementing controls
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts
- System crash/restart events
- Unusual parameter values in login requests
Network Indicators:
- High volume of requests to login.html/login.xml
- Requests with malformed parameters
SIEM Query:
source="ipr512" AND (url="*login.html*" OR url="*login.xml*") AND (status=500 OR bytes>10000)
🔗 References
- http://packetstormsecurity.com/files/171783/Paradox-Security-Systems-IPR512-Denial-Of-Service.html
- https://github.com/SlashXzerozero/Injection-vulnerability-in-Paradox-Security-Systems-IPR512
- https://github.com/sunktitanic/Injection-vulnerability-in-Paradox-Security-Systems-IPR512
- http://packetstormsecurity.com/files/171783/Paradox-Security-Systems-IPR512-Denial-Of-Service.html
- https://github.com/SlashXzerozero/Injection-vulnerability-in-Paradox-Security-Systems-IPR512
- https://github.com/sunktitanic/Injection-vulnerability-in-Paradox-Security-Systems-IPR512