CVE-2023-30092

9.8 CRITICAL

📋 TL;DR

CVE-2023-30092 is a critical SQL injection vulnerability in SourceCodester Online Pizza Ordering System v1.0 that allows attackers to execute arbitrary SQL commands via the QTY parameter. This affects any organization using this specific version of the pizza ordering system. Attackers can potentially access, modify, or delete database content.

💻 Affected Systems

Products:
  • SourceCodester Online Pizza Ordering System
Versions: v1.0
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all installations of v1.0 regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, authentication bypass, remote code execution, and full system takeover.

🟠

Likely Case

Unauthorized data access and extraction of sensitive information like customer data, payment details, and administrative credentials.

🟢

If Mitigated

Limited impact with proper input validation and parameterized queries preventing SQL injection.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Public exploit code available on GitHub, requires minimal technical skill to execute.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: Not available

Restart Required: No

Instructions:

No official patch available. Consider migrating to alternative software or implementing custom fixes.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Implement server-side validation to ensure QTY parameter contains only numeric values.

Modify PHP code to validate QTY parameter: if(!is_numeric($_POST['QTY'])) { die('Invalid input'); }

Parameterized Queries Implementation

all

Replace direct SQL concatenation with prepared statements using PDO or MySQLi.

Replace: $sql = "SELECT * FROM orders WHERE qty = '" . $_POST['QTY'] . "'";
With: $stmt = $pdo->prepare("SELECT * FROM orders WHERE qty = ?"); $stmt->execute([$_POST['QTY']]);

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block SQL injection patterns
  • Isolate the vulnerable system behind network segmentation and restrict database access

🔍 How to Verify

Check if Vulnerable:

Test the QTY parameter with SQL injection payloads like: QTY=1' OR '1'='1

Check Version:

Check PHP files for version comments or review system documentation

Verify Fix Applied:

Attempt SQL injection tests after implementing fixes to confirm they are blocked.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in application logs
  • Multiple failed login attempts from single IP
  • Database queries with suspicious patterns

Network Indicators:

  • HTTP requests with SQL keywords in QTY parameter
  • Unusual database connection patterns

SIEM Query:

source="web_logs" AND (QTY="*' OR*" OR QTY="*UNION*" OR QTY="*SELECT*" OR QTY="*--*")

🔗 References

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