CVE-2022-31528 : Security Advisory and Response

A security vulnerability in the bonn-activity-maps/bam_annotation_tool GitHub repository has been identified, allowing absolute path traversal due to the unsafe use of the Flask send_file function.

Understanding CVE-2022-31528

This section provides insights into the nature and impact of CVE-2022-31528.

What is CVE-2022-31528?

The vulnerability in the bam_annotation_tool repository enables attackers to perform absolute path traversal, potentially leading to unauthorized access to sensitive files and directories.

The Impact of CVE-2022-31528

The security flaw poses a risk of information leakage and unauthorized data manipulation, impacting the confidentiality and integrity of the affected systems.

Technical Details of CVE-2022-31528

Explore the specific technical aspects of CVE-2022-31528 in this section.

Vulnerability Description

The issue arises from the unsafe usage of the Flask send_file function in the bonn-activity-maps/bam_annotation_tool repository, which can be exploited for absolute path traversal attacks.

Affected Systems and Versions

All versions of the bam_annotation_tool repository until 2021-08-31 on GitHub are affected by this security vulnerability.

Exploitation Mechanism

By leveraging the flawed implementation of the Flask send_file function, threat actors can exploit the vulnerability to navigate to and access sensitive system files.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2022-31528.

Immediate Steps to Take

Developers should avoid directly sending files without proper validation to prevent path traversal exploits.
Implement input sanitization and validation mechanisms to thwart malicious activities.

Long-Term Security Practices

Regularly update the software and libraries used in the project to patch known vulnerabilities.
Conduct security audits and code reviews to identify and address potential security issues.

Patching and Updates

Users are advised to update the bam_annotation_tool repository to the latest version, which should include fixes for the absolute path traversal vulnerability.