CVE-2020-35923 : Security Advisory and Response

An issue was discovered in the ordered-float crate before 1.1.1 and 2.x before 2.0.1 for Rust. A NotNan value can contain a NaN.

Understanding CVE-2020-35923

This CVE involves a vulnerability in the ordered-float crate for Rust that allows a NotNan value to potentially contain a NaN.

What is CVE-2020-35923?

CVE-2020-35923 is a vulnerability found in versions of the ordered-float crate prior to 1.1.1 and 2.x before 2.0.1 for Rust. It allows a NotNan value to hold a NaN, which can lead to unexpected behavior in Rust programs.

The Impact of CVE-2020-35923

The impact of this vulnerability is that it can result in incorrect calculations or operations due to the presence of unexpected NaN values in NotNan variables.

Technical Details of CVE-2020-35923

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the ordered-float crate allows a NotNan value to store a NaN, which can lead to potential issues in Rust programs.

Affected Systems and Versions

Versions of the ordered-float crate before 1.1.1 and 2.x before 2.0.1 for Rust are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by manipulating NotNan values to contain NaN, causing unexpected behavior in Rust applications.

Mitigation and Prevention

To address CVE-2020-35923, follow these mitigation strategies:

Immediate Steps to Take

Update the ordered-float crate to version 1.1.1 or 2.0.1 to mitigate the vulnerability.
Review and validate input to prevent the introduction of NaN values into NotNan variables.

Long-Term Security Practices

Conduct regular security audits and code reviews to identify and address vulnerabilities promptly.
Stay informed about security advisories and updates related to Rust crates and libraries.

Patching and Updates

Apply patches and updates provided by the ordered-float crate maintainers to ensure the security of your Rust applications.