CVE-2022-31558 : Security Advisory and Response
Discover the details of CVE-2022-31558, a security vulnerability in the tooxie/shiva-server repository on GitHub allowing absolute path traversal. Learn about the impact, affected versions, and mitigation steps.
A security vulnerability has been identified in the tooxie/shiva-server repository through version 0.10.0 on GitHub, allowing for absolute path traversal due to the unsafe usage of the Flask send_file function.
Understanding CVE-2022-31558
This section provides an overview of CVE-2022-31558.
What is CVE-2022-31558?
The vulnerability in the tooxie/shiva-server repository up to version 0.10.0 on GitHub enables absolute path traversal by exploiting the unsafe implementation of the Flask send_file function.
The Impact of CVE-2022-31558
The impact of this vulnerability allows attackers to traverse absolute paths, potentially leading to unauthorized access to sensitive files and directories.
Technical Details of CVE-2022-31558
Detailed technical aspects of the CVE-2022-31558 vulnerability are provided in this section.
Vulnerability Description
The vulnerability arises due to the insecure handling of file paths in the Flask send_file function, opening avenues for malicious actors to navigate system directories.
Affected Systems and Versions
The tooxie/shiva-server repository versions up to 0.10.0 on GitHub are affected by this security flaw.
Exploitation Mechanism
By leveraging the flawed implementation of the Flask send_file function, threat actors can carry out absolute path traversal attacks.
Mitigation and Prevention
Learn about the strategies to mitigate the risks associated with CVE-2022-31558.
Immediate Steps to Take
- Users are advised to update the affected tooxie/shiva-server repository to a secure version that addresses the path traversal vulnerability.
- Restrict access permissions to sensitive directories and files to limit the impact of potential exploitation.
Long-Term Security Practices
Implement secure coding practices to prevent path traversal vulnerabilities in the development of Flask applications and repositories.
Patching and Updates
Regularly monitor for security advisories and updates related to the tooxie/shiva-server repository to promptly apply patches that eliminate potential vulnerabilities.