CVE-2022-31521 Explained : Impact and Mitigation
Discover the impact and technical details of CVE-2022-31521, a security vulnerability in the Niyaz-Mohamed/mosaic repository on GitHub, allowing absolute path traversal via Flask send_file function.
The Niyaz-Mohamed/mosaic repository through 1.0.0 on GitHub is impacted by a vulnerability that allows absolute path traversal due to the unsafe usage of the Flask send_file function.
Understanding CVE-2022-31521
This section will delve into the intricacies of the CVE-2022-31521 vulnerability.
What is CVE-2022-31521?
The Niyaz-Mohamed/mosaic repository on GitHub, specifically through version 1.0.0, is susceptible to absolute path traversal, which can be exploited due to the insecure implementation of the Flask send_file function.
The Impact of CVE-2022-31521
The exploitation of this vulnerability could allow malicious actors to perform directory traversal attacks, potentially leading to unauthorized access to sensitive files and data stored on the affected system.
Technical Details of CVE-2022-31521
In this section, we will explore the technical aspects of CVE-2022-31521.
Vulnerability Description
The vulnerability arises from the insecure usage of the Flask send_file function, which lacks proper input validation, enabling attackers to traverse absolute paths and access files outside of the intended directory.
Affected Systems and Versions
The Niyaz-Mohamed/mosaic repository up to version 1.0.0 on GitHub is confirmed to be affected by this security flaw.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious requests that traverse directories and access sensitive files on the server through the flawed send_file function of Flask.
Mitigation and Prevention
This section will outline steps to mitigate and prevent the exploitation of CVE-2022-31521.
Immediate Steps to Take
It is recommended to restrict access to the affected application, perform input validation checks, and apply security patches promptly to mitigate the risk of exploitation.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and stay informed about potential security vulnerabilities to enhance the overall security posture of the application.
Patching and Updates
Developers should apply the latest patches provided by the project maintainers to address the vulnerability and ensure the secure usage of the Flask send_file function.