CVE-2023-37777
📋 TL;DR
A critical SQL injection vulnerability in Synnefo Internet Management Software (IMS) allows attackers to execute arbitrary SQL commands via a specific API endpoint. This can lead to full database compromise with administrator privileges, potentially enabling OS command execution. All organizations using Synnefo IMS version 2023 or earlier are affected.
💻 Affected Systems
- Synnefo Internet Management Software (IMS)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise: attacker gains DB administrator access, extracts all sensitive data, executes arbitrary OS commands, and potentially takes full control of the server.
Likely Case
Database compromise leading to data theft, privilege escalation, and potential lateral movement within the network.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing full exploitation.
🎯 Exploit Status
The vulnerability is in a specific API endpoint parameter with public technical details available, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://synnefoims.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches immediately. 3. Verify the fix by testing the vulnerable endpoint.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the vulnerable API endpoint.
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the specific API endpoint.
🧯 If You Can't Patch
- Isolate the Synnefo IMS system from the internet and restrict network access to authorized users only.
- Implement network segmentation to limit the blast radius if exploitation occurs.
🔍 How to Verify
Check if Vulnerable:
Test the specific API endpoint with SQL injection payloads to see if queries can be manipulated.
Check Version:
Check Synnefo IMS version in the application interface or configuration files.
Verify Fix Applied:
Retest the vulnerable endpoint with SQL injection payloads to confirm they are properly rejected.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in application logs
- Multiple failed login attempts followed by successful access
- Unexpected database queries from application user
Network Indicators:
- SQL injection patterns in HTTP requests to the API endpoint
- Unusual outbound database connections
SIEM Query:
source="synnefo_logs" AND ("sql" OR "injection" OR "union select")