CVE-2023-1674

7.3 HIGH

📋 TL;DR

This is a critical SQL injection vulnerability in SourceCodester School Registration and Fee System 1.0 that allows attackers to manipulate database queries via the username parameter in the login.php file. Attackers can potentially steal sensitive data, modify database contents, or gain unauthorized access. Any organization using this specific software version is affected.

💻 Affected Systems

Products:
  • SourceCodester School Registration and Fee System
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the /bilal final/login.php file specifically. Any deployment using this version is vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution if database permissions allow.

🟠

Likely Case

Unauthorized access to sensitive student/financial data, credential theft, and potential system takeover.

🟢

If Mitigated

Limited impact with proper input validation, parameterized queries, and network segmentation in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Public exploit available on GitHub. Attack requires no authentication and is simple to execute.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None known

Restart Required: No

Instructions:

No official patch available. Consider implementing manual fixes or replacing the software.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Add server-side validation to sanitize username input and implement parameterized queries.

Modify /bilal final/login.php to use prepared statements with parameterized queries

Web Application Firewall (WAF)

all

Deploy WAF rules to block SQL injection patterns in POST requests to login.php

Configure WAF to block SQL injection patterns in POST parameters

🧯 If You Can't Patch

  • Isolate the system behind a firewall with strict access controls
  • Implement network segmentation to limit database access

🔍 How to Verify

Check if Vulnerable:

Test the login.php endpoint with SQL injection payloads in the username parameter

Check Version:

Check software version in admin panel or configuration files

Verify Fix Applied:

Verify that parameterized queries are implemented and SQL injection attempts are blocked

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL syntax in username field
  • Multiple failed login attempts with SQL patterns
  • Database error messages in application logs

Network Indicators:

  • POST requests to /bilal final/login.php containing SQL keywords
  • Unusual database connection patterns

SIEM Query:

source="web_logs" AND uri="/bilal final/login.php" AND (username CONTAINS "' OR" OR username CONTAINS "UNION" OR username CONTAINS "SELECT")

🔗 References

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