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CVE-2014-125127: Denial of Service (DoS) Vulnerability in mikecao/flight PHP Framework

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Overview

This report discusses CVE-2014-125127, a significant vulnerability found in versions prior to v1.2 of the mikecao/flight PHP framework. This flaw allows potential attackers to launch Denial of Service (DoS) attacks, causing system instability and possible data leakage. Consequently, it poses a serious threat to any organization utilizing the affected versions of this framework.

Vulnerability Summary

CVE ID: CVE-2014-125127
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage due to DoS attacks

Affected Products

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Product | Affected Versions

mikecao/flight PHP framework | Versions prior to v1.2

How the Exploit Works

The exploit leverages the eager loading of request bodies in the Request class constructor of the mikecao/flight PHP framework. This framework automatically reads the entire request body on every HTTP request, irrespective of whether the application requires it. The vulnerability can be exploited by sending requests with large payloads, leading to excessive memory consumption. This can ultimately exhaust server memory, causing application crashes or service unavailability.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited. An attacker could send a large payload to a vulnerable endpoint, like so:

POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
Content-Length: 999999999
{ "large_payload": "<payload data>" }

In this example, `` would be replaced with a large amount of data, causing the server to consume excessive memory and potentially crash.

Mitigation Guidance

To mitigate the risk of this vulnerability, users are advised to use the vendor’s patch by upgrading to mikecao/flight PHP framework version 1.2 or later. If upgrading is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation against potential attacks 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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