CVE-2018-25026 Explained : Impact and Mitigation

A problem has been found in the actix-web crate, specifically versions prior to 0.7.15, for the Rust programming language. This problem arises when the crate erroneously assigns the Send marker trait to an object that is not suitable for safe transmission between different threads, leading to memory corruption.

Understanding CVE-2018-25026

This CVE identifies a vulnerability in the actix-web crate for Rust.

What is CVE-2018-25026?

CVE-2018-25026 is a vulnerability in versions of the actix-web crate before 0.7.15, where incorrect assignment of the Send marker trait to an unsuitable object can cause memory corruption.

The Impact of CVE-2018-25026

The vulnerability can result in memory corruption due to unsafe transmission between threads, potentially leading to system instability or crashes.

Technical Details of CVE-2018-25026

This section provides detailed technical information about the CVE.

Vulnerability Description

The actix-web crate before version 0.7.15 incorrectly assigns the Send marker trait to an object that is not safe for inter-thread communication, causing memory corruption.

Affected Systems and Versions

Affected Version: actix-web crate versions prior to 0.7.15

Exploitation Mechanism

The vulnerability occurs when the crate mistakenly designates the Send marker trait to an object that cannot be safely transmitted between threads, leading to potential memory corruption.

Mitigation and Prevention

Protect your systems from CVE-2018-25026 with the following steps:

Immediate Steps to Take

Update to actix-web crate version 0.7.15 or newer to mitigate the vulnerability.
Monitor official sources for security advisories and patches.

Long-Term Security Practices

Regularly update dependencies to ensure the latest security fixes are applied.
Implement secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Apply patches and updates promptly to address known vulnerabilities and enhance system security.