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CVE-2023-6421: Unprotected File Download Passwords in Download Manager WordPress Plugin

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Overview

CVE-2023-6421 is a high-severity vulnerability affecting the Download Manager WordPress plugin version before 3.2.83. This vulnerability exposes the passwords of file downloads, therefore providing an opportunity for unauthorized data access and potential system compromise. Given the widespread use of this WordPress plugin, the impact is far-reaching and requires immediate attention.

Vulnerability Summary

CVE ID: CVE-2023-6421
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise or data leakage

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Product | Affected Versions

Download Manager WordPress plugin | Before 3.2.83

How the Exploit Works

This vulnerability stems from the plugin’s failure to implement adequate protection for file download’s passwords. When an invalid password is input, the correct password is leaked as part of the server’s response. This allows an adversary to gain unauthorized access to protected files, potentially resulting in data leakage or system compromise.

Conceptual Example Code

An example of how this vulnerability might be exploited is shown below. This is a conceptual HTTP request where an invalid password is sent to the server.

POST /download-manager/validate-password HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "download_id": "123", "password": "invalid_password" }

In response to this request, the server would return the correct password, revealing it to the attacker.

Mitigation Guidelines

To mitigate this vulnerability, users of the Download Manager WordPress plugin should upgrade to version 3.2.83 or later, which contains a patch for this issue. In the interim, users can implement a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block suspicious activities.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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