CVE-2024-36415
📋 TL;DR
This vulnerability in SuiteCRM allows attackers to upload malicious files that bypass verification checks, leading to remote code execution. All SuiteCRM instances prior to versions 7.14.4 and 8.6.1 are affected. Attackers can potentially take full control of affected systems.
💻 Affected Systems
- SuiteCRM
📦 What is this software?
Suitecrm by Salesagility
Suitecrm by Salesagility
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary code, steal sensitive CRM data, pivot to other systems, and maintain persistent access.
Likely Case
Attackers upload web shells or malicious scripts to gain unauthorized access, exfiltrate customer data, and potentially disrupt CRM operations.
If Mitigated
With proper file upload restrictions and web application firewalls, exploitation attempts are blocked or detected before successful compromise.
🎯 Exploit Status
Exploitation requires authenticated access but the technical complexity is low once access is obtained. The CWE-98 (PHP Remote File Inclusion) pattern is well understood by attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.14.4 or 8.6.1
Vendor Advisory: https://github.com/salesagility/SuiteCRM/security/advisories/GHSA-c82f-58jv-jfrh
Restart Required: No
Instructions:
1. Backup your SuiteCRM installation and database. 2. Download the patched version (7.14.4 or 8.6.1) from the official SuiteCRM repository. 3. Follow the SuiteCRM upgrade documentation for your version. 4. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Restrict File Upload Types
allConfigure web server or application to block uploads of executable file types
# Configure .htaccess for Apache:
<FilesMatch "\.(php|phtml|php3|php4|php5|phps|pl|py|jsp|asp|sh|cgi)$">
Order Allow,Deny
Deny from all
</FilesMatch>
# Configure nginx:
location ~ \.(php|phtml|php3|php4|php5|phps|pl|py|jsp|asp|sh|cgi)$ {
deny all;
}
Implement WAF Rules
allAdd web application firewall rules to detect and block file upload exploitation attempts
🧯 If You Can't Patch
- Disable file upload functionality in SuiteCRM if not required for business operations
- Implement strict network segmentation to isolate SuiteCRM from critical systems
🔍 How to Verify
Check if Vulnerable:
Check your SuiteCRM version in the admin panel or by examining the version.php file in the installation directory
Check Version:
grep -E "suitecrm_version|sugar_version" /path/to/suitecrm/version.php
Verify Fix Applied:
Verify the version shows 7.14.4 or higher for 7.x branch, or 8.6.1 or higher for 8.x branch
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to SuiteCRM upload directories
- Multiple failed upload attempts followed by successful upload
- Execution of PHP files from upload directories
Network Indicators:
- HTTP POST requests to file upload endpoints with unusual file extensions
- Outbound connections from SuiteCRM server to unknown external IPs
SIEM Query:
source="suitecrm.log" AND ("upload" OR "file_upload") AND ("php" OR "phtml" OR "php3" OR "php4" OR "php5" OR "phps")