CVE-2020-35901 Explained : Impact and Mitigation

An issue was discovered in the actix-http crate before 2.0.0-alpha.1 for Rust. There is a use-after-free in BodyStream.

Understanding CVE-2020-35901

This CVE involves a vulnerability in the actix-http crate for Rust, leading to a use-after-free issue in BodyStream.

What is CVE-2020-35901?

CVE-2020-35901 is a vulnerability found in the actix-http crate before version 2.0.0-alpha.1 for Rust, resulting in a use-after-free flaw in BodyStream.

The Impact of CVE-2020-35901

The vulnerability could potentially allow attackers to exploit the use-after-free issue in BodyStream, leading to various security risks and potential system compromise.

Technical Details of CVE-2020-35901

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in the actix-http crate before 2.0.0-alpha.1 for Rust allows for a use-after-free scenario in BodyStream, posing a security risk.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger the use-after-free condition in BodyStream, potentially leading to unauthorized access or denial of service.

Mitigation and Prevention

To address CVE-2020-35901, follow these mitigation strategies:

Immediate Steps to Take

Update to version 2.0.0-alpha.1 or later of the actix-http crate to mitigate the vulnerability.
Monitor for any unusual activity that could indicate exploitation of the use-after-free issue.

Long-Term Security Practices

Regularly update dependencies and libraries to ensure the latest security patches are applied.
Conduct security audits and code reviews to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates related to the actix-http crate to promptly apply patches and fixes.