🔍1-Day CVE Analysis
CVE-2024-XXXX
CVE-2024-XXXX Analysis: SQL Injection in Example CMS
•1 min read
#cve#sqli#analysis#cms
Analysis Summary
- Root Cause
- Improper input sanitization in search functionality
- Exploitation Technique
- Union-based SQL injection
- Patch Analysis
- Added parameterized queries
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Disclaimer: This content is for educational purposes only. All vulnerabilities were responsibly disclosed. Do not attempt to exploit vulnerabilities without proper authorization.
CVE-2024-XXXX Analysis: SQL Injection in Example CMS
A detailed analysis of a critical SQL injection vulnerability.
CVE Details
| Property | Value | |----------|-------| | CVE ID | CVE-2024-XXXX | | CVSS Score | 9.8 (Critical) | | Affected Versions | 1.0.0 - 1.5.2 | | Fixed Version | 1.5.3 |
Vulnerability Overview
The Example CMS search functionality was vulnerable to SQL injection due to improper input sanitization.
Root Cause Analysis
The vulnerable code:
php
// VULNERABLE CODE
$query = "SELECT * FROM posts WHERE title LIKE '%" . $_GET['search'] . "%'";
$result = mysqli_query($conn, $query);
The user input was directly concatenated into the SQL query without any sanitization.
Exploitation Technique
Proof of Concept
GET /search?q=' UNION SELECT username,password,null,null FROM users--
Impact
- Full database access
- User credential theft
- Potential remote code execution
Patch Analysis
The fix implemented parameterized queries:
php
// FIXED CODE
$stmt = $conn->prepare("SELECT * FROM posts WHERE title LIKE ?");
$search = "%" . $_GET['search'] . "%";
$stmt->bind_param("s", $search);
$stmt->execute();
Lessons Learned
- Never trust user input - Always sanitize and validate
- Use parameterized queries - Prevents SQL injection by design
- Defense in depth - Multiple layers of security
- Regular security audits - Catch vulnerabilities early
Responsible Disclosure
This analysis is for educational purposes only. The vulnerability was responsibly disclosed to the vendor before public disclosure.