CVE-2021-41589 : Exploit Details and Defense Strategies

Gradle Enterprise before version 2021.3 and Enterprise Build Cache Node before 10.0 are vulnerable to cache poisoning and remote code execution due to default configuration settings.

Understanding CVE-2021-41589

In this CVE, potential cache poisoning and remote code execution risks exist in Gradle Enterprise's build cache configuration.

What is CVE-2021-41589?

The vulnerability allows anonymous access to build cache configuration and write access, potentially enabling malicious actors to insert manipulated entries for remote code execution.

The Impact of CVE-2021-41589

Malicious actors with network access can populate the cache with entries executing harmful code during the build process.
Unauthorized users can manipulate cache entries, compromising the security of the build process.

Technical Details of CVE-2021-41589

This section covers in-depth technical aspects of the vulnerability.

Vulnerability Description

Default configuration settings in Gradle Enterprise lead to cache poisoning and allow remote code execution.

Affected Systems and Versions

Gradle Enterprise before version 2021.3 and Enterprise Build Cache Node before 10.0.

Exploitation Mechanism

Malicious actors exploit the open configuration access to inject manipulated cache entries.

Mitigation and Prevention

It's crucial to take immediate and long-term actions to mitigate the risks associated with CVE-2021-41589.

Immediate Steps to Take

Modify access control settings to restrict unauthorized access to the build cache and user interface.

Long-Term Security Practices

Regularly audit and update access controls to prevent unauthorized entry manipulation.

Patching and Updates

Apply the recommended security patches and updates to Gradle Enterprise and Build Cache Node to address the vulnerability.