CVE-2013-2571
📋 TL;DR
CVE-2013-2571 is a critical remote code execution vulnerability in Iris 3.8 point-of-sale software that allows unauthenticated attackers to execute arbitrary commands via TCP port 7510. This affects Xpient POS systems running vulnerable versions, potentially enabling attackers to manipulate POS hardware like cash drawers or execute malicious code on the system.
💻 Affected Systems
- Xpient POS Iris software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary commands, steal payment card data, manipulate transactions, install malware, or pivot to other network systems.
Likely Case
Remote execution of commands to open cash drawers, disrupt business operations, or execute limited malicious payloads on vulnerable POS systems.
If Mitigated
Limited impact if systems are isolated, patched, or have network controls preventing access to port 7510 from untrusted networks.
🎯 Exploit Status
Public exploit code exists that demonstrates remote command execution, including opening cash drawers. The vulnerability requires no authentication and has simple exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Iris 3.8 build 1548 or later
Vendor Advisory: No specific vendor advisory URL found in references
Restart Required: Yes
Instructions:
1. Contact Xpient vendor for Iris 3.8 build 1548 or later. 2. Backup system data. 3. Apply the update following vendor instructions. 4. Restart the POS system. 5. Verify the service is no longer vulnerable.
🔧 Temporary Workarounds
Network Segmentation
allBlock access to TCP port 7510 from untrusted networks using firewall rules
Windows Firewall: netsh advfirewall firewall add rule name="Block Iris Port" dir=in action=block protocol=TCP localport=7510
Linux iptables: iptables -A INPUT -p tcp --dport 7510 -j DROP
Service Disablement
windowsDisable the vulnerable Iris service if not required for operations
Windows: sc stop "IrisService" && sc config "IrisService" start= disabled
Check service name with: sc query | findstr Iris
🧯 If You Can't Patch
- Implement strict network segmentation to isolate POS systems from other networks, allowing only necessary communication
- Deploy host-based firewalls to block all inbound connections to port 7510 except from authorized management systems
🔍 How to Verify
Check if Vulnerable:
Check if TCP port 7510 is listening and accessible: Use 'netstat -an | findstr 7510' on Windows or 'ss -tlnp | grep 7510' on Linux. Test with exploit code from references if authorized.Check Version:
Check within Iris application interface for version information or consult vendor documentation for version checking methods.Verify Fix Applied:
Verify Iris version is build 1548 or later through application interface or vendor documentation. Test that port 7510 no longer accepts malicious payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual connections to TCP port 7510
- Iris service errors or crashes
- Unexpected cash drawer operations in POS logs
Network Indicators:
- Traffic to TCP port 7510 from unexpected sources
- Malformed packets or exploit patterns to port 7510
SIEM Query:
source_port=7510 OR dest_port=7510 AND (payload_contains="malicious_pattern" OR src_ip NOT IN allowed_ips)🔗 References
- http://www.exploit-db.com/exploits/25987
- http://www.securityfocus.com/bid/60359
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84761
- https://packetstormsecurity.com/files/121917/Xpient-POS-Iris-3.8-Cash-Drawer-Operation-Remote-Trigger.html
- http://www.exploit-db.com/exploits/25987
- http://www.securityfocus.com/bid/60359
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84761
- https://packetstormsecurity.com/files/121917/Xpient-POS-Iris-3.8-Cash-Drawer-Operation-Remote-Trigger.html
