CVE-2023-31932

7.2 HIGH

📋 TL;DR

This SQL injection vulnerability in Rail Pass Management System v1.0 allows remote attackers to execute arbitrary SQL commands via the viewid parameter. Attackers can potentially read, modify, or delete database contents, and in some cases execute arbitrary code on the server. Organizations using this specific version of the Rail Pass Management System are affected.

💻 Affected Systems

Products:
  • Rail Pass Management System
Versions: v1.0
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation. Any system running this specific version with the vulnerable file accessible is affected.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the database server leading to data theft, data destruction, and potential remote code execution on the underlying server.

🟠

Likely Case

Unauthorized access to sensitive passenger data, modification of booking records, and potential privilege escalation within the application.

🟢

If Mitigated

Limited impact with proper input validation, parameterized queries, and database permissions restricting the application user.

🌐 Internet-Facing: HIGH - The vulnerability is in a web-accessible file (view-enquiry.php) and requires no authentication.
🏢 Internal Only: MEDIUM - If the system is only accessible internally, the attack surface is reduced but still vulnerable to insider threats or compromised internal systems.

🎯 Exploit Status

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

The GitHub reference shows proof-of-concept exploitation details. SQL injection vulnerabilities are commonly weaponized in automated attacks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Unknown

Restart Required: No

Instructions:

No official patch is available. Implement workarounds or consider replacing the software.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Add server-side validation to ensure the viewid parameter contains only expected values (e.g., numeric IDs).

// PHP example: if(!is_numeric($_GET['viewid'])) { die('Invalid input'); }

Implement Parameterized Queries

all

Rewrite the SQL query in view-enquiry.php to use prepared statements with parameter binding.

// PHP PDO example: $stmt = $pdo->prepare('SELECT * FROM enquiries WHERE id = ?'); $stmt->execute([$viewid]);

Web Application Firewall (WAF)

all

Deploy a WAF with SQL injection rules to block malicious requests targeting the viewid parameter.

🧯 If You Can't Patch

  • Isolate the Rail Pass Management System on a segmented network with strict access controls.
  • Implement network-based intrusion detection/prevention systems (IDS/IPS) to monitor for SQL injection attempts.

🔍 How to Verify

Check if Vulnerable:

Test the view-enquiry.php endpoint with SQL injection payloads in the viewid parameter (e.g., view-enquiry.php?viewid=1' OR '1'='1). Monitor for database errors or unexpected behavior.

Check Version:

Check the software version in the application's admin panel, documentation, or source code files.

Verify Fix Applied:

After implementing fixes, retest with the same SQL injection payloads. The application should reject invalid input or return expected results without errors.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to view-enquiry.php with unusual viewid parameters containing SQL keywords (UNION, SELECT, OR, --, etc.)
  • Database error logs showing SQL syntax errors from the application

Network Indicators:

  • Unusual SQL patterns in HTTP traffic to the vulnerable endpoint
  • High volume of requests to view-enquiry.php with varying viewid values

SIEM Query:

source="web_logs" AND url="*view-enquiry.php*" AND (viewid="*'*" OR viewid="*UNION*" OR viewid="*SELECT*" OR viewid="*OR*" OR viewid="*--*")

🔗 References

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