CVE-2020-35908 : Security Advisory and Response

An issue was discovered in the futures-util crate before 0.3.2 for Rust. FuturesUnordered can lead to data corruption because Sync is mishandled.

Understanding CVE-2020-35908

This CVE involves a vulnerability in the futures-util crate for Rust that can result in data corruption due to mishandling of Sync.

What is CVE-2020-35908?

CVE-2020-35908 is a vulnerability found in the futures-util crate before version 0.3.2 for Rust. It allows FuturesUnordered to cause data corruption by mishandling Sync.

The Impact of CVE-2020-35908

The mishandling of Sync in FuturesUnordered can lead to data corruption, potentially affecting the integrity and reliability of the affected systems.

Technical Details of CVE-2020-35908

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from the incorrect handling of Sync in the FuturesUnordered component of the futures-util crate.

Affected Systems and Versions

Affected: futures-util crate versions before 0.3.2 for Rust

Exploitation Mechanism

The vulnerability can be exploited by manipulating the Sync mechanism in the FuturesUnordered component, leading to data corruption.

Mitigation and Prevention

Protecting systems from CVE-2020-35908 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the futures-util crate to version 0.3.2 or newer to mitigate the vulnerability
Monitor for any signs of data corruption or unauthorized access

Long-Term Security Practices

Regularly update dependencies and libraries to patch known vulnerabilities
Implement secure coding practices to prevent similar issues in the future

Patching and Updates

Apply patches and updates provided by the Rust community to address the vulnerability