CVE-2022-39217 : Vulnerability Insights and Analysis

GitHub Advanced Security's ghas-to-csv GitHub action, developed by some-natalie, is impacted by a vulnerability that allows the execution of malicious code when opening the generated CSV file in a spreadsheet program. This vulnerability has been assigned a CVSS base score of 5.8, indicating a medium severity rating.

Understanding CVE-2022-39217

This CVE identifies a security flaw in the ghas-to-csv GitHub Action developed by some-natalie, allowing the execution of code contained in the CSV file when opened in a spreadsheet program.

What is CVE-2022-39217?

The vulnerability in ghas-to-csv exposes users to the risk of executing potentially harmful code when interacting with the CSV file generated by the GitHub Action. The flaw arises from the lack of sanitization of API output, enabling the execution of code in specific scenarios.

The Impact of CVE-2022-39217

The impact of this vulnerability can lead to the inadvertent execution of executable code or formulas present in the CSV file, particularly if the contents comprise dismissed alerts or custom fields containing executable code.

Technical Details of CVE-2022-39217

In-depth technical information about the vulnerability and its implications:

Vulnerability Description

The vulnerability stems from the GitHub Action failing to sanitize the output of APIs when creating a CSV file, potentially allowing the execution of code or formulas in spreadsheet programs.

Affected Systems and Versions

Users of affected versions of ghas-to-csv, specifically versions prior to

v1

, are susceptible to this security flaw. The vulnerability has been addressed in version

v1

, and users are strongly advised to update to this version or newer.

Exploitation Mechanism

Exploiting this vulnerability requires the interaction of an endpoint opening the CSV file generated by the GitHub Action in a spreadsheet program, triggering the potential execution of malicious code.

Mitigation and Prevention

Effective practices to mitigate the risks associated with CVE-2022-39217:

Immediate Steps to Take

Users should update their ghas-to-csv GitHub Action to version

v1

or later to eliminate the vulnerability. Additionally, exercise caution when handling CSV files generated by the GitHub Action.

Long-Term Security Practices

Implementing secure coding practices and ensuring proper input validation can help prevent similar vulnerabilities in the future. Regularly updating dependencies and adhering to secure coding best practices are essential.

Patching and Updates

Stay informed about security advisories and updates related to ghas-to-csv. Promptly apply patches and updates released by the developer to address security concerns and enhance the resilience of the GitHub Action.