V8 JavaScript引擎类型混淆漏洞
漏洞信息
漏洞名称： V8 JavaScript引擎类型混淆漏洞
漏洞编号：
- CVE： CVE-2024-4947
漏洞类型： 代码注入
漏洞等级： 高危
漏洞描述： ### 受影响产品
V8是由Google开发的开源JavaScript引擎，广泛应用于Chrome和Opera等流行浏览器中。它通过将JavaScript编译为本地机器码来提高性能和效率。由于其广泛的应用，V8引擎的安全性问题对大量用户和开发者具有重要影响。
漏洞解释
CVE-2024-4947是一个类型混淆漏洞，发生在V8 JavaScript引擎中。类型混淆漏洞是指程序错误地将变量视为与预期不同的类型，攻击者可以利用这种混淆执行任意代码。此漏洞的技术根源在于V8引擎对某些数据类型的处理不当，攻击者通过精心构造的载荷可以操纵引擎的行为，从而导致潜在的利用。
影响分析
CVE-2024-4947的影响极为严重，成功利用可能导致远程代码执行（RCE）、数据泄露和服务拒绝（DoS）。由于V8引擎在众多应用中的核心作用，这一漏洞的风险不容忽视。攻击者可以远程利用此漏洞，无需用户交互，使得攻击的自动化成为可能。因此，所有使用受影响版本V8引擎的应用都应尽快更新以防范此漏洞。
产品厂商： Google
产品名称： V8 JavaScript引擎
影响版本： versions prior to the patch release
来源： https://github.com/DiabloX90911/CVE-2024-4947
类型： CVE-2024:github search
仓库文件
- Analysis.md
- PoCs
- README.md
- images
来源概述
CVE-2024-4947: V8 Type Confusion Bug in the Wild 🐞
Overview
CVE-2024-4947 is a type confusion vulnerability found in the V8 JavaScript engine. This bug can lead to serious security risks, including remote code execution. Understanding this vulnerability is crucial for developers, security researchers, and system administrators who work with applications that rely on V8.
Table of Contents
- What is V8?
- Details of CVE-2024-4947
- Impact
- How to Mitigate
- Download the Exploit
- Contributing
- License
What is V8?
V8 is an open-source JavaScript engine developed by Google. It powers many popular web browsers, including Chrome and Opera. V8 compiles JavaScript to native machine code, improving performance and efficiency.
Understanding how V8 works is essential for recognizing the implications of vulnerabilities like CVE-2024-4947. This bug highlights the need for continuous security assessments in software that utilizes V8.
Details of CVE-2024-4947
CVE-2024-4947 is categorized as a type confusion bug. This occurs when a program mistakenly treats a variable as a different type than intended. Attackers can exploit this confusion to execute arbitrary code.
Technical Details
- Type: Type Confusion
- Affected Versions: V8 versions prior to the patch release.
- Severity: High
- Attack Vector: Remote
The vulnerability arises from improper handling of certain data types within the V8 engine. When an attacker crafts a specific payload, they can manipulate the engine’s behavior, leading to potential exploitation.
Impact
The impact of CVE-2024-4947 is significant. Successful exploitation can lead to:
- Remote Code Execution (RCE)
- Data Breach
- Denial of Service (DoS)
Applications using affected versions of V8 are at risk. Users should prioritize updates to safeguard against this vulnerability.
How to Mitigate
To mitigate the risks associated with CVE-2024-4947, follow these steps:
- Update V8: Ensure you are using the latest version of V8. Check for updates regularly.
- Monitor Dependencies: Keep track of all libraries and frameworks that rely on V8.
- Implement Security Best Practices: Follow secure coding guidelines and perform regular security audits.
- Educate Your Team: Ensure that your development team understands the implications of type confusion vulnerabilities.
By taking these proactive measures, you can reduce the risk posed by CVE-2024-4947.
Download the Exploit
You can find the necessary files to download and execute for CVE-2024-4947 here. This link will direct you to the releases section where you can access the exploit files.
Contributing
Contributions are welcome! If you have insights, fixes, or improvements, please consider contributing to this repository. Follow these steps to contribute:
- Fork the repository.
- Create a new branch.
- Make your changes.
- Submit a pull request.
Your contributions help enhance the understanding and mitigation of CVE-2024-4947.
License
This project is licensed under the MIT License. See the LICENSE file for details.
For more information and updates, please check the Releases section.
Stay informed and secure!