CVE-2024-38308
📋 TL;DR
CVE-2024-38308 is a cross-site scripting (XSS) vulnerability in Advantech ADAM 5550's web application logs page that allows attackers to inject malicious scripts. When exploited, these scripts execute in victims' browsers, potentially stealing credentials, hijacking sessions, or performing unauthorized actions. Organizations using Advantech ADAM 5550 devices with web interfaces are affected.
💻 Affected Systems
- Advantech ADAM 5550
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise through session hijacking, credential theft leading to lateral movement in industrial networks, or ransomware deployment affecting critical industrial processes.
Likely Case
Session hijacking leading to unauthorized device configuration changes, data exfiltration, or disruption of monitoring capabilities.
If Mitigated
Limited impact with proper network segmentation, web application firewalls, and browser security controls preventing script execution.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity. No public exploit code identified but trivial to craft malicious HTTP requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Advantech security advisory for specific version
Vendor Advisory: https://www.advantech.com/support
Restart Required: Yes
Instructions:
1. Check Advantech security advisory for patch details. 2. Download firmware update from Advantech support portal. 3. Backup current configuration. 4. Apply firmware update via web interface or console. 5. Restart device. 6. Verify logs page properly sanitizes input.
🔧 Temporary Workarounds
Disable Web Interface
allDisable HTTP/HTTPS access if not required for operations
Configuration varies by device - consult Advantech documentation
Web Application Firewall
allDeploy WAF with XSS protection rules
🧯 If You Can't Patch
- Network segmentation: Isolate ADAM 5550 devices in separate VLAN with strict access controls
- Browser security: Enforce Content Security Policy headers and disable JavaScript in browsers accessing device
🔍 How to Verify
Check if Vulnerable:
Access device web interface, navigate to logs page, attempt to inject basic XSS payload like <script>alert('test')</script> in HTTP request parametersCheck Version:
Check firmware version in web interface under System Information or via console command (device-specific)Verify Fix Applied:
After patching, repeat XSS test - script should be properly sanitized and not execute📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP requests containing script tags or JavaScript code in parameters
- Multiple failed login attempts followed by script injection attempts
Network Indicators:
- HTTP requests to logs page with encoded script payloads
- Unusual outbound connections from device after XSS exploitation
SIEM Query:
source="adam5550" AND (http_request CONTAINS "<script>" OR http_request CONTAINS "javascript:" OR http_request CONTAINS "onerror=" OR http_request CONTAINS "onload=")