CVE-2020-35882 : Vulnerability Insights and Analysis

An issue was discovered in the rocket crate before 0.4.5 for Rust. LocalRequest::clone creates more than one mutable references to the same object, possibly causing a data race.

Understanding CVE-2020-35882

This CVE identifies a vulnerability in the rocket crate for Rust that could lead to a data race due to the creation of multiple mutable references to the same object.

What is CVE-2020-35882?

The vulnerability in the rocket crate before version 0.4.5 allows LocalRequest::clone to generate multiple mutable references to a single object, potentially resulting in a data race scenario.

The Impact of CVE-2020-35882

The vulnerability could be exploited to cause a data race, leading to unpredictable behavior, data corruption, or crashes in affected systems.

Technical Details of CVE-2020-35882

The following technical details provide insight into the nature of the vulnerability.

Vulnerability Description

LocalRequest::clone in the rocket crate creates multiple mutable references to the same object.

Affected Systems and Versions

Rocket crate versions before 0.4.5 for Rust are affected by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability involves creating multiple mutable references to a single object, potentially leading to a data race.

Mitigation and Prevention

To address CVE-2020-35882, consider the following mitigation strategies:

Immediate Steps to Take

Update the rocket crate to version 0.4.5 or later to mitigate the vulnerability.
Monitor for any unusual behavior that could indicate a data race in the system.

Long-Term Security Practices

Implement code reviews and testing procedures to identify similar vulnerabilities in the future.
Follow secure coding practices to prevent data race conditions.

Patching and Updates

Regularly update dependencies and libraries to ensure that known vulnerabilities are patched and mitigated.