CVE-2020-36214 : Exploit Details and Defense Strategies

An issue was discovered in the multiqueue2 crate before 0.1.7 for Rust, potentially leading to a data race due to the handling of non-Send types being sent to different threads.

Understanding CVE-2020-36214

This CVE involves a vulnerability in the multiqueue2 crate for Rust that could result in a data race scenario.

What is CVE-2020-36214?

The vulnerability in the multiqueue2 crate before version 0.1.7 for Rust allows non-Send types to be sent to different threads, leading to a potential data race.

The Impact of CVE-2020-36214

The vulnerability could result in data races, which are critical as they can lead to unpredictable behavior and potentially compromise the integrity of the system.

Technical Details of CVE-2020-36214

The technical aspects of the CVE.

Vulnerability Description

The issue arises from the ability to send non-Send types to different threads, creating a scenario where a data race can occur.

Affected Systems and Versions

Affected: multiqueue2 crate before version 0.1.7 for Rust

Exploitation Mechanism

Exploiting this vulnerability involves sending non-Send types to different threads, triggering a data race.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Update to version 0.1.7 or later of the multiqueue2 crate to mitigate the vulnerability.
Review and modify code to ensure proper handling of thread communication.

Long-Term Security Practices

Regularly update dependencies to ensure the latest security patches are applied.
Conduct thorough code reviews to identify and address similar vulnerabilities in the future.

Patching and Updates

Apply patches and updates provided by the crate maintainers to address the vulnerability effectively.