CVE-2023-45724: Unauthenticated File Upload Vulnerability in HCL DRYiCE MyXalytics

Overview

The latest vulnerability to have been discovered, CVE-2023-45724, affects HCL DRYiCE MyXalytics, a popular product within the IT industry. This vulnerability pertains to an unauthenticated file upload that could potentially compromise the system or lead to data leakage. This loophole is potentially risky as it does not require user authentication, which means an unauthorized user could exploit this vulnerability with relative ease.
The severity of this vulnerability is high, with a CVSS (Common Vulnerability Scoring System) score of 8.2, which is indicative of the significant risk it poses to the affected systems. This vulnerability should be a high priority for all users of the affected product.

Vulnerability Summary

CVE ID: CVE-2023-45724
Severity: High (8.2)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage

Affected Products

Product | Affected Versions

HCL DRYiCE MyXalytics | All versions prior to patch

How the Exploit Works

The exploit takes advantage of the web application’s oversight in allowing the upload of certain files without requiring user authentication. This means an attacker can upload a malicious file onto the server without any hindrance. Once the file is on the server, it could potentially be executed leading to system compromise or data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited. This is a sample HTTP POST request that uploads a malicious file to the server.

POST /upload_file HTTP/1.1
Host: target.example.com
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="file"; filename="malicious_file.exe"
Content-Type: application/x-msdownload
(binary data)
------WebKitFormBoundary7MA4YWxkTrZu0gW--

This example is only for illustrative purposes and does not represent actual exploitation code.

Mitigation Guidance

To mitigate this vulnerability, users are advised to apply the vendor patch immediately once it is available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure to detect and block malicious file uploads. Always ensure to follow best practices for secure file upload and handling.