CVE-2022-31587 : Vulnerability Insights and Analysis

A Flask send_file function in the yuriyouzhou/KG-fashion-chatbot repository on GitHub, up to 2018-05-22, allows an absolute path traversal vulnerability to occur.

Understanding CVE-2022-31587

This CVE involves a security issue in the yuriyouzhou/KG-fashion-chatbot repository on GitHub due to unsafe usage of Flask send_file function.

What is CVE-2022-31587?

The CVE-2022-31587 vulnerability is a result of absolute path traversal in the mentioned repository, potentially leading to unauthorized access to sensitive files.

The Impact of CVE-2022-31587

Exploitation of this vulnerability could allow attackers to access files beyond the intended directory, resulting in potential unauthorized disclosure of sensitive information.

Technical Details of CVE-2022-31587

Here are the technical details related to CVE-2022-31587:

Vulnerability Description

The vulnerability stems from the insecure usage of the Flask send_file function, enabling attackers to traverse absolute file paths.

Affected Systems and Versions

All versions of the yuriyouzhou/KG-fashion-chatbot repository on GitHub up to 2018-05-22 are affected by this security issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating file path inputs to access unauthorized directories and potentially sensitive data.

Mitigation and Prevention

To address CVE-2022-31587, consider the following mitigation strategies:

Immediate Steps to Take

Update the Flask send_file function implementation to ensure safe use and prevent path traversal.
Restrict access permissions to sensitive directories to minimize the impact of unauthorized access.

Long-Term Security Practices

Regularly monitor and audit file access logs to detect any suspicious activities that may indicate unauthorized access.
Implement least privilege principles to restrict file access based on user roles and responsibilities.

Patching and Updates

Stay informed about security updates for Flask and apply patches promptly to address known vulnerabilities and enhance overall system security.