CVE-2022-50590
📋 TL;DR
This vulnerability allows remote unauthenticated attackers to exploit a type confusion flaw in SuiteCRM's deleteAttachment functionality to modify database objects. Attackers could change administrator email addresses or alter other critical data. All SuiteCRM instances prior to version 7.12.6 are affected.
💻 Affected Systems
- SuiteCRM
📦 What is this software?
Suitecrm by Salesagility
⚠️ Risk & Real-World Impact
Worst Case
Attackers could change administrator credentials, take over admin accounts, and gain full control of the SuiteCRM instance to steal sensitive data or deploy ransomware.
Likely Case
Attackers would modify administrator email addresses to facilitate account takeover, potentially leading to data exfiltration or further system compromise.
If Mitigated
With proper network segmentation and access controls, impact would be limited to the SuiteCRM application database only.
🎯 Exploit Status
Detailed technical analysis and proof-of-concept available in public research. Exploitation requires sending specially crafted HTTP requests to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.12.6
Vendor Advisory: https://docs.suitecrm.com/admin/releases/7.12.x/#_7_12_6
Restart Required: No
Instructions:
1. Backup your SuiteCRM instance and database. 2. Download SuiteCRM version 7.12.6 or later from the official website. 3. Follow the SuiteCRM upgrade documentation to apply the patch. 4. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock or sanitize requests to the deleteAttachment endpoint containing malicious module parameters
Access Restriction
allRestrict access to the vulnerable endpoint using network ACLs or authentication requirements
🧯 If You Can't Patch
- Implement strict network segmentation to isolate SuiteCRM from critical systems
- Deploy a web application firewall with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check SuiteCRM version in admin panel or by examining the application files. Versions below 7.12.6 are vulnerable.Check Version:
Check the version.php file in SuiteCRM root directory or use the admin panel's About pageVerify Fix Applied:
Verify version is 7.12.6 or higher in admin panel and test that deleteAttachment functionality works normally with proper authentication.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP POST requests to deleteAttachment endpoint with malformed module parameters
- Multiple failed authentication attempts followed by successful deleteAttachment requests
Network Indicators:
- Unusual traffic patterns to SuiteCRM deleteAttachment endpoint from unauthenticated sources
SIEM Query:
source="suitecrm" AND (uri_path="/index.php?module=*&action=deleteAttachment" OR uri_path LIKE "%deleteAttachment%") AND http_method="POST" AND user_agent NOT IN ["expected_user_agents"]