CVE-2020-15773 : Security Advisory and Response

An issue was discovered in Gradle Enterprise before 2020.2.4, allowing attackers to access data through unrestricted cross-origin requests in the Export API.

Understanding CVE-2020-15773

What is CVE-2020-15773?

This CVE refers to a vulnerability in Gradle Enterprise that enables attackers to access data as a user after authenticating with the API.

The Impact of CVE-2020-15773

The vulnerability allows attackers to access data during a browser session, potentially compromising user information.

Technical Details of CVE-2020-15773

Vulnerability Description

The issue arises from unrestricted cross-origin requests in the Export API, enabling unauthorized data access.

Affected Systems and Versions

Product: Gradle Enterprise
Versions affected: Before 2020.2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging unrestricted cross-origin requests to access read-only data.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to Gradle Enterprise version 2020.2.4 or later.
Implement strict access controls to limit cross-origin requests.

Long-Term Security Practices

Regularly monitor and audit API access logs for suspicious activities.
Educate users on secure authentication practices to prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by Gradle to address this vulnerability.