CVE-2020-35928 : Security Advisory and Response

An issue was discovered in the concread crate before 0.2.6 for Rust. Attackers can cause an ARCache<K,V> data race by sending types that do not implement Send/Sync.

Understanding CVE-2020-35928

This CVE involves a vulnerability in the concread crate for Rust that can be exploited by attackers to trigger a data race.

What is CVE-2020-35928?

The vulnerability allows attackers to induce a data race in ARCache<K,V> by sending types that lack Send/Sync implementation.

The Impact of CVE-2020-35928

The exploitation of this vulnerability can lead to potential security breaches and data corruption within affected systems.

Technical Details of CVE-2020-35928

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in the concread crate before version 0.2.6 for Rust enables attackers to initiate a data race in ARCache<K,V> through non-implemented Send/Sync types.

Affected Systems and Versions

Affected Product: Not applicable
Affected Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

Attackers exploit the lack of Send/Sync implementation in certain types to trigger a data race in ARCache<K,V>.

Mitigation and Prevention

Protective measures to address and prevent the CVE.

Immediate Steps to Take

Update the concread crate to version 0.2.6 or later to mitigate the vulnerability.
Implement strict input validation to prevent malicious data input.

Long-Term Security Practices

Regularly monitor and audit Rust crates for security updates and patches.
Educate developers on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches promptly to all Rust crates and dependencies to address known vulnerabilities.