CVE-2024-49792
📋 TL;DR
IBM ApplinX 11.1 contains a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious JavaScript into the web interface. This could enable attackers to steal session credentials or manipulate user sessions. Only authenticated users can exploit this vulnerability.
💻 Affected Systems
- IBM ApplinX
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, hijack user sessions, and gain full control over the ApplinX application and connected systems.
Likely Case
Authenticated attackers could steal session cookies or credentials from other users, potentially escalating privileges within the application.
If Mitigated
With proper input validation and output encoding, the risk is reduced to minimal impact on application functionality.
🎯 Exploit Status
Exploitation requires authenticated access to the ApplinX web interface. The vulnerability is in the Web UI components.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply the fix as described in IBM Security Bulletin
Vendor Advisory: https://www.ibm.com/support/pages/node/7182522
Restart Required: Yes
Instructions:
1. Review IBM Security Bulletin
2. Apply the recommended fix from IBM
3. Restart ApplinX services
4. Verify the fix is applied
🔧 Temporary Workarounds
Input Validation Enhancement
allImplement additional input validation and output encoding for user-supplied data in web interfaces
Content Security Policy
allImplement strict Content Security Policy headers to limit script execution
🧯 If You Can't Patch
- Restrict access to ApplinX web interface to trusted users only
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check if running IBM ApplinX version 11.1. Review web interface for unvalidated user input fields.Check Version:
Check ApplinX administration console or configuration files for version informationVerify Fix Applied:
Verify the fix is applied by checking version and testing XSS payloads in web interface fields.📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in web request logs
- Multiple failed XSS attempts
- Suspicious user input patterns
Network Indicators:
- Unusual JavaScript in HTTP requests to ApplinX endpoints
- Suspicious script tags in POST/GET parameters
SIEM Query:
source="applinx" AND (http_request CONTAINS "<script>" OR http_request CONTAINS "javascript:")