CVE-2024-9142
📋 TL;DR
This vulnerability in Olgu Computer Systems e-Belediye allows attackers to manipulate web inputs to control file system calls, potentially accessing or modifying critical files. It affects all e-Belediye installations before version 2.0.642. Municipalities and organizations using this software are at risk.
💻 Affected Systems
- Olgu Computer Systems e-Belediye
⚠️ 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 allowing arbitrary file read/write/delete, privilege escalation, and potential remote code execution leading to data theft or system destruction.
Likely Case
Unauthorized access to sensitive municipal data, manipulation of critical files, and potential service disruption.
If Mitigated
Limited impact with proper input validation, file permission hardening, and web application firewalls in place.
🎯 Exploit Status
CWE-73 vulnerabilities typically have low exploitation complexity when web inputs are not properly validated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.642
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-24-1527
Restart Required: Yes
Instructions:
1. Download e-Belediye version 2.0.642 or later from official vendor sources. 2. Backup current installation and data. 3. Install the updated version following vendor documentation. 4. Restart the application and verify functionality.
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block path traversal attempts and suspicious file system calls.
# Example ModSecurity rule: SecRule ARGS "\.\./" "id:1001,phase:2,deny,msg:'Path Traversal Attempt'
File Permission Hardening
allRestrict file system permissions for the web application user to minimal required directories.
# Windows: icacls C:\e-Belediye\webroot /deny IUSR:(OI)(CI)(DE,DC)
# Linux: chmod 750 /var/www/e-belediye
🧯 If You Can't Patch
- Isolate the e-Belediye server from internet access and restrict internal network access.
- Implement strict input validation and sanitization for all file-related parameters in the application.
🔍 How to Verify
Check if Vulnerable:
Check e-Belediye version in application settings or about dialog. If version is below 2.0.642, system is vulnerable.Check Version:
Check application interface or configuration files for version information.Verify Fix Applied:
Confirm version is 2.0.642 or higher and test file upload/download functionality with malicious inputs.📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns
- Failed file system operations with suspicious paths
- Multiple ../ sequences in request logs
Network Indicators:
- HTTP requests containing path traversal sequences (../, ..\)
- Unusual file download/upload patterns
SIEM Query:
source="web_logs" AND (uri="*../*" OR params="*../*") AND dest_ip="e-belediye_server"