CVE-2025-69908
📋 TL;DR
An unauthenticated information disclosure vulnerability in Newgen OmniApp allows attackers to enumerate valid privileged usernames via a publicly accessible client-side JavaScript resource. This affects all organizations using vulnerable versions of Newgen OmniApp, potentially exposing administrative accounts to reconnaissance.
💻 Affected Systems
- Newgen OmniApp
📦 What is this software?
Omniapp by Newgensoft
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain complete lists of privileged usernames, enabling targeted credential attacks and privilege escalation leading to full system compromise.
Likely Case
Attackers enumerate administrative accounts and use them for targeted phishing, brute force attacks, or credential stuffing against the application.
If Mitigated
Limited exposure of some usernames, but attackers cannot leverage them due to strong authentication controls and monitoring.
🎯 Exploit Status
Exploitation requires only web browser access to the vulnerable JavaScript resource; no special tools needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Newgen advisory for specific version
Vendor Advisory: https://newgensoft.com/
Restart Required: Yes
Instructions:
1. Check Newgen advisory for patch version. 2. Apply patch according to vendor instructions. 3. Restart application services. 4. Verify fix by testing the vulnerable endpoint.
🔧 Temporary Workarounds
Restrict JavaScript Access
allImplement web server rules to restrict access to the vulnerable JavaScript file to authenticated users only.
# Apache: Add to .htaccess or virtual host config
<Files "vulnerable.js">
Require valid-user
</Files>
# Nginx: Add to server block
location /path/to/vulnerable.js {
auth_basic "Restricted";
auth_basic_user_file /path/to/.htpasswd;
}
Web Application Firewall Rule
allBlock requests to the specific JavaScript file or implement rate limiting on access attempts.
# WAF specific rules vary by vendor
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to OmniApp to trusted IPs only.
- Enable detailed logging and monitoring for access to JavaScript files and implement alerting for suspicious enumeration patterns.
🔍 How to Verify
Check if Vulnerable:
Access the vulnerable JavaScript resource via web browser (e.g., http://target/path/to/vulnerable.js) and check if it contains privileged usernames in plain text.Check Version:
Check application version via admin interface or consult vendor documentation.Verify Fix Applied:
Attempt to access the same JavaScript resource after patching; it should no longer contain sensitive data or should require authentication.📡 Detection & Monitoring
Log Indicators:
- Multiple GET requests to specific JavaScript files from single IPs
- Access to JavaScript resources without corresponding authenticated sessions
Network Indicators:
- Unusual patterns of JavaScript file downloads from external IPs
- HTTP 200 responses to sensitive JavaScript resources without authentication headers
SIEM Query:
source="web_server" AND (url="*vulnerable.js" OR url="*.js") AND status=200 AND NOT user!="-" | stats count by src_ip