CVE-2023-38100
📋 TL;DR
This SQL injection vulnerability in NETGEAR ProSAFE Network Management System allows authenticated attackers to bypass authentication mechanisms and escalate privileges to access protected resources. The flaw exists in the clearAlertByIds function where user-supplied input isn't properly validated before SQL query construction. Organizations using affected NETGEAR ProSAFE NMS versions are at risk.
💻 Affected Systems
- NETGEAR ProSAFE Network Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with administrative access, allowing attackers to modify configurations, access sensitive network data, and potentially pivot to other systems.
Likely Case
Privilege escalation leading to unauthorized access to network management functions and sensitive monitoring data.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring in place.
🎯 Exploit Status
While authentication is technically required, the vulnerability description indicates authentication mechanisms can be bypassed. SQL injection vulnerabilities are typically easy to exploit with readily available tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.7.0.15
Vendor Advisory: https://kb.netgear.com/000065707/Security-Advisory-for-Multiple-Vulnerabilities-on-the-ProSAFE-Network-Management-System-PSV-2023-0024-PSV-2023-0025
Restart Required: Yes
Instructions:
1. Download version 1.7.0.15 from NETGEAR support portal. 2. Backup current configuration. 3. Apply the update following NETGEAR's installation guide. 4. Restart the NMS service or system. 5. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to the NMS management interface to authorized administrative networks only.
Web Application Firewall
allDeploy a WAF with SQL injection protection rules in front of the NMS interface.
🧯 If You Can't Patch
- Isolate the NMS system on a dedicated management VLAN with strict access controls
- Implement additional authentication layers and monitor for suspicious SQL query patterns
🔍 How to Verify
Check if Vulnerable:
Check the NMS version in the web interface under System > About or similar menu. If version is below 1.7.0.15, the system is vulnerable.Check Version:
Check via web interface or consult NETGEAR documentation for CLI version check commands specific to your deployment.Verify Fix Applied:
After updating, verify the version shows 1.7.0.15 or higher in the System > About section.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in database logs
- Multiple failed authentication attempts followed by successful privileged access
- clearAlertByIds function calls with unusual parameters
Network Indicators:
- SQL injection patterns in HTTP requests to NMS endpoints
- Unusual outbound connections from NMS system
SIEM Query:
source="NMS_logs" AND ("clearAlertByIds" OR "SQL" OR "injection") AND (severity="high" OR action="privilege")🔗 References
- https://kb.netgear.com/000065707/Security-Advisory-for-Multiple-Vulnerabilities-on-the-ProSAFE-Network-Management-System-PSV-2023-0024-PSV-2023-0025
- https://www.zerodayinitiative.com/advisories/ZDI-23-916/
- https://kb.netgear.com/000065707/Security-Advisory-for-Multiple-Vulnerabilities-on-the-ProSAFE-Network-Management-System-PSV-2023-0024-PSV-2023-0025
- https://www.zerodayinitiative.com/advisories/ZDI-23-916/
