CVE-2024-53543
📋 TL;DR
This SQL injection vulnerability in NovaCHRON Zeitsysteme Smart Time Plus allows attackers to execute arbitrary SQL commands through the addProject method. Organizations using Smart Time Plus v8.x to v8.6 for time tracking and workforce management are affected.
💻 Affected Systems
- NovaCHRON Zeitsysteme GmbH & Co. KG Smart Time Plus
⚠️ 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 database compromise leading to data theft, manipulation, or deletion; potential privilege escalation to execute arbitrary commands on the underlying system.
Likely Case
Unauthorized data access, modification of time tracking records, extraction of sensitive employee information, or disruption of business operations.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting the application account.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited; the referenced advisory suggests exploitation details are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not provided in references
Restart Required: No
Instructions:
1. Contact NovaCHRON Zeitsysteme for official patch information. 2. Monitor vendor communications for security updates. 3. Apply patches immediately when available.
🔧 Temporary Workarounds
Implement Input Validation
allAdd server-side validation to sanitize and restrict input to the addProject method.
Custom application code changes required
Deploy Web Application Firewall
allConfigure WAF rules to block SQL injection patterns targeting the vulnerable endpoint.
WAF-specific configuration required
🧯 If You Can't Patch
- Network segmentation: Isolate Smart Time Plus servers from untrusted networks and limit access to authorized users only.
- Database hardening: Restrict application database account permissions to minimum required operations.
🔍 How to Verify
Check if Vulnerable:
Review application version in Smart Time Plus interface or configuration files; check if version falls within v8.x to v8.6.Check Version:
Check application interface or consult documentation for version display; no universal command available.Verify Fix Applied:
Test the addProject method with SQL injection payloads after applying patches or workarounds; monitor for successful blocking or error handling.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts or unexpected addProject method calls in application logs
Network Indicators:
- HTTP requests to smarttimeplus/MySQLConnection with SQL syntax in parameters
SIEM Query:
source="web_server" AND uri="/smarttimeplus/MySQLConnection" AND (param CONTAINS "UNION" OR param CONTAINS "SELECT" OR param CONTAINS "' OR '")