CVE-2020-36327 : Vulnerability Insights and Analysis

Bundler 1.16.0 through 2.2.9 and 2.2.11 through 2.2.16 sometimes chooses a dependency source based on the highest gem version number, potentially leading to the selection of a rogue gem from a public source. Learn more about this vulnerability.

Understanding CVE-2020-36327

This CVE involves a vulnerability in Bundler that could result in the selection of a malicious gem due to the way dependency sources are prioritized.

What is CVE-2020-36327?

The vulnerability in Bundler versions 1.16.0 through 2.2.9 and 2.2.11 through 2.2.16 allows for the potential selection of a rogue gem from a public source instead of the intended private gem.

The Impact of CVE-2020-36327

The vulnerability could lead to the inclusion of malicious gems in an application, compromising its security and integrity.

Technical Details of CVE-2020-36327

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

Bundler's flawed dependency resolution mechanism may result in the selection of a malicious gem over the intended private gem.

Affected Systems and Versions

Bundler versions 1.16.0 through 2.2.9
Bundler versions 2.2.11 through 2.2.16

Exploitation Mechanism

The vulnerability occurs when Bundler prioritizes the highest gem version number, potentially leading to the inclusion of a rogue gem.

Mitigation and Prevention

Protect your systems from the CVE-2020-36327 vulnerability with these mitigation strategies.

Immediate Steps to Take

Update Bundler to a patched version that addresses the vulnerability.
Regularly monitor gem dependencies for any suspicious changes.
Implement secure coding practices to minimize the risk of including malicious gems.

Long-Term Security Practices

Conduct regular security audits to identify and address vulnerabilities in dependencies.
Educate developers on secure coding practices and the risks associated with third-party dependencies.

Patching and Updates

Stay informed about security updates and patches released by Bundler.
Promptly apply patches to ensure your systems are protected from known vulnerabilities.