CVE-2020-36467 : Vulnerability Insights and Analysis

An issue was discovered in the cgc crate through 2020-12-10 for Rust. Ptr::get returns more than one mutable reference to the same object.

Understanding CVE-2020-36467

This CVE involves a vulnerability in the cgc crate for Rust, allowing Ptr::get to return multiple mutable references to the same object.

What is CVE-2020-36467?

The vulnerability in the cgc crate allows for the retrieval of multiple mutable references to a single object using Ptr::get.

The Impact of CVE-2020-36467

This vulnerability could lead to unexpected behavior, data corruption, or security issues in Rust applications utilizing the affected crate.

Technical Details of CVE-2020-36467

The technical details of this CVE include:

Vulnerability Description

Ptr::get in the cgc crate returns more than one mutable reference to the same object, posing a risk of unintended consequences.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions of the cgc crate through 2020-12-10 for Rust are affected.

Exploitation Mechanism

The vulnerability can be exploited by calling Ptr::get in a way that allows multiple mutable references to be obtained, potentially leading to misuse of memory or data.

Mitigation and Prevention

To address CVE-2020-36467, consider the following steps:

Immediate Steps to Take

Update the cgc crate to a patched version that addresses the vulnerability.
Review and modify code that relies on Ptr::get to avoid unintended mutable references.

Long-Term Security Practices

Regularly monitor for updates and security advisories related to Rust crates used in your projects.
Implement secure coding practices to minimize the risk of similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates for the cgc crate and other dependencies in your Rust projects.