CVE-2023-43274

7.5 HIGH

📋 TL;DR

CVE-2023-43274 is an SQL injection vulnerability in Phpjabbers PHP Shopping Cart 4.2 that allows attackers to execute arbitrary SQL commands via the id parameter. This affects all installations of PHP Shopping Cart 4.2, potentially compromising database integrity and exposing sensitive information. Attackers can manipulate database queries to steal data, modify content, or gain unauthorized access.

💻 Affected Systems

Products:
  • Phpjabbers PHP Shopping Cart
Versions: Version 4.2
Operating Systems: All operating systems running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of version 4.2 are vulnerable regardless of configuration.

📦 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 functions allow it.

🟠

Likely Case

Unauthorized data extraction including customer information, order details, and administrative credentials stored in the database.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH - Web applications with SQL injection vulnerabilities are prime targets for automated attacks and data breaches.
🏢 Internal Only: MEDIUM - Internal attackers could still exploit this, but external threat surface is reduced.

🎯 Exploit Status

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

SQL injection via URL parameters is well-understood and easily automated by attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: No official vendor advisory found

Restart Required: No

Instructions:

1. Check vendor website for updated version
2. If no patch available, implement workarounds
3. Consider migrating to alternative shopping cart software

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Implement server-side validation and sanitization of the id parameter

// PHP example: Use prepared statements
$stmt = $pdo->prepare('SELECT * FROM table WHERE id = :id');
$stmt->execute(['id' => $_GET['id']]);

Web Application Firewall (WAF)

all

Deploy WAF rules to block SQL injection patterns

# Example ModSecurity rule
SecRule ARGS:id "@rx (\'|\"|;|--|\/\*|\*\/|union|select|insert|update|delete|drop|create|alter)" "deny,status:403,id:1001"

🧯 If You Can't Patch

  • Implement network segmentation to isolate the vulnerable application
  • Deploy database monitoring and alerting for suspicious SQL queries

🔍 How to Verify

Check if Vulnerable:

Test the id parameter with SQL injection payloads like: /page.php?id=1' OR '1'='1

Check Version:

Check application files for version information or consult documentation

Verify Fix Applied:

Test with SQL injection payloads and verify they are blocked or sanitized

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in application logs
  • Multiple failed login attempts or parameter manipulation

Network Indicators:

  • HTTP requests with SQL keywords in parameters
  • Unusual database query patterns

SIEM Query:

source="web_logs" AND ("union select" OR "' OR '1'='1" OR "sleep(" OR "benchmark(")

🔗 References

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