CVE-2025-3729
📋 TL;DR
This critical vulnerability allows remote attackers to execute arbitrary operating system commands on systems running SourceCodester Web-based Pharmacy Product Management System 1.0. The vulnerability exists in the backup.php file's database backup handler, where the txtdbname parameter can be manipulated for command injection. Any organization using this specific software version is affected.
💻 Affected Systems
- SourceCodester Web-based Pharmacy Product Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attacker to execute arbitrary commands, access sensitive data, install malware, pivot to other systems, and maintain persistent access.
Likely Case
Data theft, system disruption, installation of backdoors or ransomware, and potential lateral movement within the network.
If Mitigated
Limited impact if proper network segmentation, least privilege, and input validation are in place, though command injection could still cause service disruption.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
1. Check vendor website for updates 2. Apply any available patches 3. Test functionality after patching
🔧 Temporary Workarounds
Disable or Remove backup.php
linuxRemove or restrict access to the vulnerable backup.php file
mv /path/to/backup.php /path/to/backup.php.disabled
chmod 000 /path/to/backup.php
Web Server Access Control
allConfigure web server to block access to backup.php
# Apache: Add to .htaccess
<Files "backup.php">
Order Allow,Deny
Deny from all
</Files>
# Nginx: Add to server block
location ~ /backup\.php$ {
deny all;
}
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user inputs
- Deploy web application firewall (WAF) with command injection rules
🔍 How to Verify
Check if Vulnerable:
Check if backup.php exists in the web directory and test for command injection by sending crafted txtdbname parameterCheck Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Test that backup.php is inaccessible or properly validates input, and command injection attempts fail📡 Detection & Monitoring
Log Indicators:
- Unusual commands in web server logs containing backup.php with suspicious parameters
- Multiple failed backup attempts with unusual database names
- System commands executed from web user context
Network Indicators:
- HTTP requests to backup.php with shell metacharacters in parameters
- Outbound connections from web server to unexpected destinations
SIEM Query:
source="web_server" AND uri="*backup.php*" AND (param="*;*" OR param="*|*" OR param="*`*" OR param="*$(*")🔗 References
- https://github.com/yaklang/IRifyScanResult/blob/main/Web-based%20Pharmacy%20Product%20Management%20System/rce_in_backup.md
- https://vuldb.com/?ctiid.305075
- https://vuldb.com/?id.305075
- https://vuldb.com/?submit.553631
- https://www.sourcecodester.com/
- https://github.com/yaklang/IRifyScanResult/blob/main/Web-based%20Pharmacy%20Product%20Management%20System/rce_in_backup.md
