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CVE-2023-49738: Information Disclosure Vulnerability in WWBN AVideo

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Overview

The CVE-2023-49738 is an information disclosure vulnerability identified in the image404Raw.php functionality of WWBN AVideo dev master commit 15fed957fb. This vulnerability poses a serious threat to data privacy as it allows the potential for system compromise and data leakage via a specially crafted HTTP request. The vulnerability has been assigned a CVSS Severity Score of 7.5, indicating a high level of severity.

Vulnerability Summary

CVE ID: CVE-2023-49738
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

WWBN AVideo | dev master commit 15fed957fb

How the Exploit Works

The vulnerability is exploited by sending a specially crafted HTTP request to the image404Raw.php functionality of the affected AVideo product. This allows an attacker to arbitrarily read files, which could reveal sensitive information and potentially lead to system compromise or data leakage.

Conceptual Example Code

Below is a
conceptual
example of how the vulnerability might be exploited:

GET /path/to/image404Raw.php?file=../../../../../etc/passwd HTTP/1.1
Host: vulnerablewebsite.com

In this example, the ‘file’ parameter is manipulated to traverse the file system and read a file that should not be accessible, such as the ‘/etc/passwd’ file, which contains user account information.

Mitigation

Users of the affected product are advised to apply the vendor patch as soon as it becomes available. As a temporary mitigation, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to block or alert on HTTP requests that appear to be exploiting this vulnerability.

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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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