CVE-2020-35863 : Security Advisory and Response

An issue was discovered in the hyper crate before 0.12.34 for Rust, leading to potential HTTP request smuggling and remote code execution scenarios.

Understanding CVE-2020-35863

This CVE involves a vulnerability in the hyper crate for Rust that could allow for HTTP request smuggling and remote code execution under specific conditions.

What is CVE-2020-35863?

The vulnerability in the hyper crate before version 0.12.34 for Rust can result in HTTP request smuggling and potential remote code execution when an HTTP server is running on the loopback interface.

The Impact of CVE-2020-35863

The impact of this CVE includes the risk of HTTP request smuggling and the possibility of remote code execution in certain situations where an HTTP server is present on the loopback interface.

Technical Details of CVE-2020-35863

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the hyper crate before version 0.12.34 for Rust allows for HTTP request smuggling and potential remote code execution.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited when an HTTP server is operating on the loopback interface, leading to potential HTTP request smuggling and remote code execution.

Mitigation and Prevention

Protective measures to address CVE-2020-35863.

Immediate Steps to Take

Update hyper crate to version 0.12.34 or newer to mitigate the vulnerability.
Monitor network traffic for any signs of HTTP request smuggling.

Long-Term Security Practices

Regularly update software components to the latest versions to prevent vulnerabilities.
Implement network security measures to detect and prevent HTTP request smuggling attacks.

Patching and Updates

Ensure timely patching and updates of the hyper crate to address security vulnerabilities.