CVE-2020-35875 : What You Need to Know

An issue was discovered in the tokio-rustls crate before 0.13.1 for Rust. Excessive memory usage may occur when data arrives quickly.

Understanding CVE-2020-35875

This CVE describes a vulnerability in the tokio-rustls crate that could lead to excessive memory usage under specific conditions.

What is CVE-2020-35875?

The vulnerability in the tokio-rustls crate could result in increased memory consumption when data is received rapidly, potentially leading to performance degradation or denial of service.

The Impact of CVE-2020-35875

The impact of this vulnerability includes:

Excessive memory usage
Potential performance degradation
Risk of denial of service attacks

Technical Details of CVE-2020-35875

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in tokio-rustls crate before version 0.13.1 allows for excessive memory consumption during high data arrival rates.

Affected Systems and Versions

Affected: tokio-rustls crate before version 0.13.1

Exploitation Mechanism

The vulnerability can be exploited by sending a high volume of data to the affected system, triggering the excessive memory usage.

Mitigation and Prevention

Protect your systems from CVE-2020-35875 with the following steps:

Immediate Steps to Take

Update the tokio-rustls crate to version 0.13.1 or newer
Monitor memory usage for any unusual spikes

Long-Term Security Practices

Regularly update dependencies to the latest versions
Implement rate limiting mechanisms to prevent data overload

Patching and Updates

Apply patches and updates promptly to mitigate the vulnerability