CVE-2020-15776 Explained : Impact and Mitigation

Gradle Enterprise versions 2018.2 to 2020.2.4 are affected by a CSRF vulnerability due to improper handling of the prevention token in request cookies.

Understanding CVE-2020-15776

This CVE identifies a security issue in Gradle Enterprise versions 2018.2 to 2020.2.4 where a Cross-Site Request Forgery (CSRF) vulnerability exists.

What is CVE-2020-15776?

An attacker could manipulate the CSRF prevention token stored in a non-HttpOnly request cookie, potentially leading to CSRF attacks.

The Impact of CVE-2020-15776

Exploitation of this vulnerability could allow an attacker to execute arbitrary code in a user's browser, enabling them to perform unauthorized actions on behalf of the user.

Technical Details of CVE-2020-15776

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The CSRF prevention token in Gradle Enterprise's request cookie lacks HttpOnly annotation, making it susceptible to manipulation by attackers.

Affected Systems and Versions

Gradle Enterprise versions 2018.2 to 2020.2.4

Exploitation Mechanism

Attacker with the ability to execute arbitrary code in a user's browser can impose a false token value, facilitating CSRF attacks.

Mitigation and Prevention

Protecting systems from CVE-2020-15776 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Gradle Enterprise to a patched version that addresses the CSRF vulnerability.
Implement secure coding practices to mitigate CSRF risks.

Long-Term Security Practices

Regularly monitor and update security configurations to prevent CSRF vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Gradle Enterprise to address vulnerabilities.