CVE-2024-36417
📋 TL;DR
SuiteCRM versions before 7.14.4 and 8.6.1 allow unverified IFrames in certain input fields, enabling cross-site scripting (XSS) attacks. This vulnerability affects all SuiteCRM users running vulnerable versions, potentially allowing attackers to execute malicious scripts in users' browsers. The issue is fixed in versions 7.14.4 and 8.6.1.
💻 Affected Systems
- SuiteCRM
📦 What is this software?
Suitecrm by Salesagility
Suitecrm by Salesagility
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on user systems.
Likely Case
Session hijacking, credential theft, or defacement of CRM interface through injected malicious scripts.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy (CSP) headers in place.
🎯 Exploit Status
XSS vulnerabilities typically require user interaction but are relatively easy to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.14.4 or 8.6.1
Vendor Advisory: https://github.com/salesagility/SuiteCRM/security/advisories/GHSA-3www-6rqc-rm7j
Restart Required: No
Instructions:
1. Backup your SuiteCRM instance and database. 2. Download SuiteCRM version 7.14.4 or 8.6.1 from the official repository. 3. Follow the SuiteCRM upgrade documentation for your specific version path. 4. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict IFrame sources and prevent XSS execution
Add to web server config: Content-Security-Policy: frame-ancestors 'self';
Add to .htaccess: Header set Content-Security-Policy "frame-ancestors 'self'"
Input Validation Filter
allAdd custom input validation to sanitize IFrame tags in user inputs
Implement server-side filtering for HTML inputs using libraries like HTMLPurifier
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to block unauthorized IFrames
- Deploy a Web Application Firewall (WAF) with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check SuiteCRM version in admin panel or via php file: grep 'suitecrm_version' config.phpCheck Version:
grep -i 'suitecrm_version' /path/to/suitecrm/config.phpVerify Fix Applied:
Confirm version is 7.14.4 or higher for 7.x branch, or 8.6.1 or higher for 8.x branch📡 Detection & Monitoring
Log Indicators:
- Unusual IFrame tags in input fields
- Multiple failed input validation attempts
- Suspicious user agent strings
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected external domain references in IFrame src attributes
SIEM Query:
source="suitecrm_logs" AND ("iframe" OR "script" OR "javascript:") AND status="200"