CVE-2020-15771 Explained : Impact and Mitigation

An issue was discovered in Gradle Enterprise 2018.2 and Gradle Enterprise Build Cache Node 4.1, allowing a remote attacker to bypass CSRF mitigation through cross-site transmission of a cookie containing a CSRF token.

Understanding CVE-2020-15771

This CVE involves a vulnerability in Gradle Enterprise versions 2018.2 and Build Cache Node 4.1, potentially enabling CSRF bypass attacks.

What is CVE-2020-15771?

The vulnerability in Gradle Enterprise versions 2018.2 and Build Cache Node 4.1 allows a remote attacker to bypass CSRF mitigation by exploiting a cross-site transmission of a cookie containing a CSRF token.

The Impact of CVE-2020-15771

The vulnerability could lead to unauthorized access and potential security breaches in systems using affected Gradle Enterprise versions.

Technical Details of CVE-2020-15771

This section provides detailed technical information about the CVE.

Vulnerability Description

The issue in Gradle Enterprise 2018.2 and Build Cache Node 4.1 enables a remote attacker to bypass CSRF protection mechanisms through the transmission of a cookie with a CSRF token.

Affected Systems and Versions

Product: Gradle Enterprise
Versions: 2018.2 and Build Cache Node 4.1

Exploitation Mechanism

The vulnerability allows attackers to transmit a cookie with a CSRF token across sites, exploiting it to bypass CSRF protection.

Mitigation and Prevention

Protect your systems from CVE-2020-15771 with the following steps:

Immediate Steps to Take

Update Gradle Enterprise to a non-vulnerable version.
Implement network security measures to detect and block CSRF attacks.

Long-Term Security Practices

Regularly monitor and audit network traffic for suspicious activities.
Educate users on safe browsing practices to prevent CSRF attacks.

Patching and Updates

Apply security patches provided by Gradle to address the vulnerability.