CVE-2020-35895 : What You Need to Know

An issue was discovered in the stack crate before 0.3.1 for Rust. ArrayVec has an out-of-bounds write via element insertion.

Understanding CVE-2020-35895

This CVE describes a vulnerability in the stack crate for Rust that allows an out-of-bounds write through element insertion.

What is CVE-2020-35895?

The vulnerability in the stack crate before version 0.3.1 for Rust enables an attacker to perform an out-of-bounds write by inserting elements.

The Impact of CVE-2020-35895

The vulnerability could be exploited by a malicious actor to potentially execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2020-35895

The technical details of the CVE provide insight into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The issue in the stack crate allows for an out-of-bounds write when inserting elements into ArrayVec.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by inserting elements into ArrayVec, triggering the out-of-bounds write.

Mitigation and Prevention

To address CVE-2020-35895, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Update the stack crate to version 0.3.1 or later to mitigate the vulnerability.
Monitor for any unusual behavior in the application that could indicate exploitation.

Long-Term Security Practices

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

Patching and Updates

Ensure that all software components, including the stack crate, are regularly patched and updated to prevent exploitation of known vulnerabilities.