Overview
The vulnerability CVE-2024-21747 is a critical SQL Injection issue identified in the weDevs WP ERP software suite, a popular HR solution with recruitment, job listings, WooCommerce CRM, and accounting tools. Users of versions up to 1.12.8 might be exposed, thus it’s vital for administrators to address this issue promptly to prevent potential system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2024-21747
Severity: High (CVSS: 7.6)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
weDevs WP ERP | Versions up to 1.12.8
How the Exploit Works
The exploit works by manipulating user input fields that are incorporated into SQL queries without proper sanitization. The attacker can use specially crafted input to modify the SQL queries, leading to unauthorized viewing, modification, or deletion of data in the database.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. This could be a sample HTTP request, shell command, or pseudocode:
POST /wp-erp/vulnerable_endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"user_input": "'; DROP TABLE employees; --"
}In this example, the user input starts with a semicolon to end any prior SQL command, followed by a new command to drop a table, and finally a comment to make any subsequent SQL ignore. This is a simple example of SQL Injection that can lead to a significant data loss.
Mitigation Guidance
Users are advised to apply the vendor-released patch as soon as possible. As a temporary mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to detect and block SQL Injection attempts.
