CVE-2023-37628

9.8 CRITICAL

📋 TL;DR

CVE-2023-37628 is a critical SQL injection vulnerability in Online Piggery Management System 1.0 that allows attackers to execute arbitrary SQL commands. This affects all users running the vulnerable version of this PHP-based web application, potentially leading to complete database compromise.

💻 Affected Systems

Products:
  • Online Piggery Management System
Versions: 1.0
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the basic free version available from sourcecodester.com

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database takeover including data theft, modification, deletion, and potential remote code execution via database functions.

🟠

Likely Case

Unauthorized data access, credential theft, and privilege escalation leading to administrative control of the application.

🟢

If Mitigated

Limited impact with proper input validation and parameterized queries preventing successful exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Proof-of-concept available on GitHub demonstrates exploitation techniques

🛠️ 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 with parameterized queries.

🔧 Temporary Workarounds

Implement Input Validation

all

Add server-side input validation to sanitize user inputs before database queries

Manual code modification required - no single command

Web Application Firewall (WAF)

all

Deploy WAF with SQL injection protection rules

Depends on WAF solution - configure SQLi protection rules

🧯 If You Can't Patch

  • Isolate the system behind a reverse proxy with strict input filtering
  • Implement network segmentation to limit database access from application servers

🔍 How to Verify

Check if Vulnerable:

Test application endpoints with SQL injection payloads (e.g., ' OR '1'='1) and monitor for database errors or unexpected behavior

Check Version:

Check application files for version information or review source code comments

Verify Fix Applied:

Verify that parameterized queries are implemented and SQL injection attempts return proper error handling

📡 Detection & Monitoring

Log Indicators:

  • Unusual database query patterns
  • SQL syntax errors in application logs
  • Multiple failed login attempts with SQL-like payloads

Network Indicators:

  • HTTP requests containing SQL keywords (SELECT, UNION, etc.)
  • Abnormal database connection patterns

SIEM Query:

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

🔗 References

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