CVE-2020-36451 Explained : Impact and Mitigation

An issue was discovered in the rcu_cell crate through 2020-11-14 for Rust. There are unconditional implementations of Send and Sync for RcuCell<T>.

Understanding CVE-2020-36451

This CVE involves a vulnerability in the rcu_cell crate for Rust, affecting the Send and Sync implementations for RcuCell<T>.

What is CVE-2020-36451?

The vulnerability in the rcu_cell crate allows for unconditional implementations of Send and Sync for RcuCell<T>.

The Impact of CVE-2020-36451

The vulnerability could potentially lead to security breaches, data leaks, or unauthorized access to sensitive information.

Technical Details of CVE-2020-36451

The technical aspects of the CVE are as follows:

Vulnerability Description

Unconditional implementations of Send and Sync for RcuCell<T> in the rcu_cell crate.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers could exploit this vulnerability to manipulate the Send and Sync functionalities of RcuCell<T>.

Mitigation and Prevention

To address CVE-2020-36451, consider the following steps:

Immediate Steps to Take

Update the rcu_cell crate to the latest version.
Monitor for any suspicious activities on affected systems.

Long-Term Security Practices

Regularly review and update dependencies in Rust projects.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply patches provided by the rcu_cell crate maintainers to fix the vulnerability.