CVE-2023-24709

7.5 HIGH

📋 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

Products:
  • Paradox Security Systems IPR512
Versions: All versions prior to patched release
Operating Systems: Embedded system firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Affects web interface components handling authentication parameters

📦 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

🌐 Internet-Facing: HIGH - If exposed to internet, attackers can easily disrupt security systems
🏢 Internal Only: MEDIUM - Internal attackers or malware could still exploit, but requires network access

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Isolate IPR512 systems from untrusted networks and internet

Access Control Lists

linux

Restrict 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

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