CVE-2024-7937

6.3 MEDIUM

📋 TL;DR

This critical SQL injection vulnerability in Project Expense Monitoring System 1.0 allows remote attackers to execute arbitrary SQL commands via the transfer_id parameter in printtransfer.php. This can lead to unauthorized data access, modification, or deletion. All deployments of version 1.0 with the vulnerable file accessible are affected.

💻 Affected Systems

Products:
  • itsourcecode Project Expense Monitoring System
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default installation. Requires printtransfer.php to be accessible.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data exfiltration, data destruction, authentication bypass, and potential server takeover via SQL injection to RCE chaining.

🟠

Likely Case

Unauthorized access to sensitive expense data, financial records, and user information with potential data modification or deletion.

🟢

If Mitigated

Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit details publicly available. Simple SQL injection via transfer_id parameter.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None known

Restart Required: No

Instructions:

1. Review vendor website for updates. 2. If no patch available, implement workarounds. 3. Consider replacing with supported software.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Add parameter validation and sanitization for transfer_id parameter in printtransfer.php

Edit printtransfer.php to add: $transfer_id = mysqli_real_escape_string($connection, $_GET['transfer_id']);

Web Application Firewall (WAF)

all

Deploy WAF with SQL injection protection rules

🧯 If You Can't Patch

  • Block external access to printtransfer.php via firewall or web server configuration
  • Implement strict database user permissions with least privilege principle

🔍 How to Verify

Check if Vulnerable:

Test printtransfer.php with SQL injection payloads in transfer_id parameter (e.g., transfer_id=1' OR '1'='1)

Check Version:

Check software version in admin panel or configuration files

Verify Fix Applied:

Verify SQL injection attempts no longer succeed and return appropriate error handling

📡 Detection & Monitoring

Log Indicators:

  • SQL syntax errors in web server logs
  • Unusual database queries from web application user
  • Multiple failed parameter validation attempts

Network Indicators:

  • HTTP requests to printtransfer.php with SQL keywords in parameters
  • Unusual database connection patterns

SIEM Query:

source="web_server" AND (uri="*printtransfer.php*" AND (param="*transfer_id*" AND (value="*' OR*" OR value="*UNION*" OR value="*SELECT*")))

🔗 References

📤 Share & Export