CVE-2020-35886 Explained : Impact and Mitigation

An issue was discovered in the arr crate through 2020-08-25 for Rust. An attacker can smuggle non-Sync/Send types across a thread boundary to cause a data race.

Understanding CVE-2020-35886

This CVE involves a vulnerability in the arr crate for Rust that allows attackers to exploit non-Sync/Send types to create a data race.

What is CVE-2020-35886?

The vulnerability in the arr crate for Rust enables attackers to pass non-Sync/Send types between threads, leading to potential data race scenarios.

The Impact of CVE-2020-35886

The exploitation of this vulnerability can result in data races, which may lead to unpredictable behavior, crashes, or security breaches in affected systems.

Technical Details of CVE-2020-35886

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows malicious actors to transfer non-Sync/Send types across thread boundaries, creating data race conditions.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit the vulnerability by passing non-Sync/Send types across thread boundaries, triggering data race situations.

Mitigation and Prevention

Protective measures to address the CVE.

Immediate Steps to Take

Update the arr crate to the latest version that includes a patch for the vulnerability.
Monitor for any unusual behavior in the system that could indicate exploitation of the data race.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities in the future.
Conduct regular security audits and code reviews to identify and address potential weaknesses.

Patching and Updates

Regularly check for updates and patches for the arr crate to ensure that known vulnerabilities are addressed promptly.