CVE-2020-35924 : Exploit Details and Defense Strategies

An issue was discovered in the try-mutex crate before 0.3.0 for Rust. TryMutex<T> allows cross-thread sending of a non-Send type.

Understanding CVE-2020-35924

This CVE involves a vulnerability in the try-mutex crate for Rust that enables cross-thread sending of a non-Send type.

What is CVE-2020-35924?

The vulnerability in the try-mutex crate before version 0.3.0 for Rust allows for the cross-thread sending of a non-Send type, potentially leading to security risks.

The Impact of CVE-2020-35924

The vulnerability could be exploited by malicious actors to perform unauthorized cross-thread operations, compromising the integrity and security of Rust applications.

Technical Details of CVE-2020-35924

The technical aspects of the CVE.

Vulnerability Description

The issue in the try-mutex crate allows for the transmission of non-Send types across threads, creating a potential security loophole.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by sending non-Send types across threads, potentially leading to unauthorized operations.

Mitigation and Prevention

Steps to address and prevent the vulnerability.

Immediate Steps to Take

Update to version 0.3.0 or later of the try-mutex crate to mitigate the vulnerability.
Review and restrict cross-thread operations involving non-Send types.

Long-Term Security Practices

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

Patching and Updates

Ensure timely patching of software components and dependencies to address known vulnerabilities.