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CVE-2023-49810: Login Attempt Restriction Bypass Vulnerability in WWBN AVideo

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Overview

The vulnerability CVE-2023-49810 is a critical flaw found in the checkLoginAttempts functionality of WWBN AVideo’s dev master commit 15fed957fb. This vulnerability allows attackers to bypass login attempt restrictions, potentially leading to unauthorized system access and data breaches. Given the nature of this flaw, it has significant implications for data security and user privacy.

Vulnerability Summary

CVE ID: CVE-2023-49810
Severity: High (CVSS: 7.3)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, potential data leakage

Affected Products

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Product | Affected Versions

WWBN AVideo | Dev master commit 15fed957fb

How the Exploit Works

The exploit takes advantage of a flaw in the checkLoginAttempts functionality of WWBN AVideo. By crafting a specialized HTTP request, an attacker can bypass the system’s captcha restrictions. This allows repeated login attempts, enabling the attacker to brute force user credentials without triggering any security measures.

Conceptual Example Code

The following conceptual example illustrates how the vulnerability might be exploited. In this case, a malicious actor sends a specially crafted HTTP request designed to bypass the captcha system:

POST /login HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"username": "target_username",
"password": "brute_force_attempt",
"captcha_bypass": "true"
}

Mitigation

To mitigate this vulnerability, users are advised to apply the vendor patch once it becomes available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary measure to protect against potential attacks exploiting this vulnerability. As a part of good security practice, it is also advisable to use strong, unique passwords to reduce the likelihood of successful brute force attempts.

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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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