Learn about CVE-2022-41722, a path traversal vulnerability in Go's filepath.Clean function on Windows systems. Explore its impact, affected versions, and mitigation steps.
A path traversal vulnerability exists in filepath.Clean on Windows, potentially enabling a directory traversal attack. Learn more about the impact, technical details, and mitigation steps below.
Understanding CVE-2022-41722
This section delves into the specifics of the CVE-2022-41722 vulnerability.
What is CVE-2022-41722?
CVE-2022-41722 is a path traversal vulnerability in the Go standard library's path/filepath package on Windows. The filepath.Clean function could transform an invalid path into a valid path, potentially facilitating a directory traversal attack.
The Impact of CVE-2022-41722
The vulnerability could allow threat actors to traverse directories beyond their authorized access levels, leading to unauthorized data access or manipulation. It poses a significant risk to the security of Windows systems.
Technical Details of CVE-2022-41722
In this section, we explore key technical aspects of CVE-2022-41722.
Vulnerability Description
The vulnerability lies in the filepath.Clean function on Windows, where it could convert an invalid path into a valid one, enabling directory traversal attacks.
Affected Systems and Versions
The Go standard library's path/filepath package versions 0 to 1.20.0-0 are affected on the Windows platform.
Exploitation Mechanism
Threat actors could exploit this vulnerability by providing a crafted malicious path to the filepath.Clean function, tricking it into transforming the path and enabling unauthorized directory traversals.
Mitigation and Prevention
Discover the steps to mitigate and prevent CVE-2022-41722 below.
Immediate Steps to Take
Users are advised to update the affected path/filepath package to versions 1.19.6 or 1.20.1 that include patches for the vulnerability.
Long-Term Security Practices
Implement proper input validation and encoding to prevent path traversal attacks in your applications. Regularly monitor for security advisories and updates from the Go project.
Patching and Updates
Stay informed about security patches and updates released by the Go project to address vulnerabilities like CVE-2022-41722 effectively.