CVE-2022-31536 Explained : Impact and Mitigation

This article provides insights into CVE-2022-31536, a vulnerability found in the jaygarza1982/ytdl-sync repository on GitHub that allows absolute path traversal via an unsafe usage of the Flask send_file function.

Understanding CVE-2022-31536

In this section, we will delve into the details of CVE-2022-31536.

What is CVE-2022-31536?

The jaygarza1982/ytdl-sync repository on GitHub, up to 2021-01-02, is susceptible to absolute path traversal due to unsafe implementation of the Flask send_file function.

The Impact of CVE-2022-31536

This vulnerability could lead to unauthorized access to sensitive files and directories stored on the system, potentially compromising data confidentiality and integrity.

Technical Details of CVE-2022-31536

Let's explore the technical aspects of CVE-2022-31536.

Vulnerability Description

The flaw arises from the improper handling of file paths within the Flask send_file function, enabling an attacker to specify absolute paths beyond the intended directories.

Affected Systems and Versions

All versions of the jaygarza1982/ytdl-sync repository on GitHub before 2021-01-02 are impacted by this security issue.

Exploitation Mechanism

By manipulating the file path parameter in the send_file function, threat actors can traverse directories and access files that are not meant to be exposed.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2022-31536.

Immediate Steps to Take

Developers should review and update the codebase to ensure secure handling of file paths, such as input validation and limiting access to authorized directories.

Long-Term Security Practices

Establish secure coding practices, conduct regular security audits, and stay informed about best practices for securing web applications.

Patching and Updates

It is crucial to apply patches or updates released by the repository maintainer to address this vulnerability and enhance the overall security posture.