CVE-2020-36438 : Security Advisory and Response

An issue was discovered in the tiny_future crate before 0.4.0 for Rust. Future<T> does not have bounds on its Send and Sync traits.

Understanding CVE-2020-36438

This CVE involves a vulnerability in the tiny_future crate for Rust.

What is CVE-2020-36438?

The issue in the tiny_future crate before version 0.4.0 relates to the lack of bounds on the Send and Sync traits of Future<T>.

The Impact of CVE-2020-36438

This vulnerability could potentially lead to security risks due to the missing constraints on the Send and Sync traits.

Technical Details of CVE-2020-36438

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability lies in the inadequate constraints on the Send and Sync traits of Future<T> in the tiny_future crate.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The exploitation of this vulnerability could allow malicious actors to manipulate the Future<T> type without the necessary Send and Sync trait bounds.

Mitigation and Prevention

To address CVE-2020-36438, consider the following steps:

Immediate Steps to Take

Upgrade to version 0.4.0 or later of the tiny_future crate.
Review and update code to ensure proper constraints on Send and Sync traits.

Long-Term Security Practices

Regularly monitor for updates and security advisories related to Rust crates.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply patches and updates promptly to stay protected against known vulnerabilities in dependencies.