CVE-2023-3032
📋 TL;DR
This vulnerability allows attackers to upload malicious files to Mobatime web servers through documentary proof upload modules. Attackers can upload web shells to gain remote code execution capabilities. All Mobatime web application installations through version 06.7.22 are affected.
💻 Affected Systems
- Mobatime web application
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise allowing remote code execution, data theft, lateral movement, and persistent backdoor installation.
Likely Case
Web shell upload leading to unauthorized access, file system manipulation, and potential data exfiltration.
If Mitigated
File uploads blocked or properly validated, limiting attack surface to other potential vulnerabilities.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 06.7.22
Vendor Advisory: https://borelenzo.github.io/stuff/2023/06/01/cve-2023-3032.html
Restart Required: Yes
Instructions:
1. Contact Mobatime vendor for patched version. 2. Backup current installation. 3. Apply vendor-provided patch or upgrade to version after 06.7.22. 4. Restart web application services.
🔧 Temporary Workarounds
File Upload Restriction
allImplement strict file type validation and whitelist acceptable file extensions
Web Application Firewall Rules
allConfigure WAF to block file uploads with dangerous extensions (.php, .jsp, .asp, etc.)
🧯 If You Can't Patch
- Disable documentary proof upload modules completely
- Implement network segmentation to isolate Mobatime servers from critical systems
🔍 How to Verify
Check if Vulnerable:
Check Mobatime web application version in admin interface or configuration files. If version is 06.7.22 or earlier, system is vulnerable.
Check Version:
Check application configuration or admin panel for version information
Verify Fix Applied:
Verify version is after 06.7.22 and test file upload functionality with restricted file types.
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to documentary proof modules
- Files with web shell extensions (.php, .jsp, .asp) being uploaded
- Multiple failed upload attempts with suspicious filenames
Network Indicators:
- HTTP POST requests to upload endpoints with unusual file types
- Subsequent connections to uploaded files from external IPs
SIEM Query:
source="web_server_logs" AND (uri="*upload*" OR uri="*documentary*" OR uri="*proof*") AND (filename="*.php" OR filename="*.jsp" OR filename="*.asp")