CVE-2022-35922 : Vulnerability Insights and Analysis

Rust-WebSocket is a WebSocket (RFC6455) library written in Rust that has a vulnerability tracked as CVE-2022-35922. The issue exists in versions prior to 0.26.5, where untrusted websocket connections can lead to an out-of-memory (OOM) process abort in a client or server. This article provides an in-depth analysis of the CVE-2022-35922 vulnerability in rust-websocket.

Understanding CVE-2022-35922

This section delves into what CVE-2022-35922 is and its impact on systems.

What is CVE-2022-35922?

Rust-WebSocket, versions before 0.26.5, are susceptible to untrusted websocket connections causing OOM process abort due to inadequate memory allocation handling.

The Impact of CVE-2022-35922

The vulnerability can result in a process crash, affecting the availability of systems and leading to denial of service (DoS) attacks.

Technical Details of CVE-2022-35922

Explore the technical specifics of the CVE-2022-35922 vulnerability in rust-websocket.

Vulnerability Description

The issue arises from untrusted sources dictating the dataframe size which can overwhelm memory allocation, causing process termination.

Affected Systems and Versions

Versions prior to 0.26.5 of the rust-websocket library are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting oversized dataframes to consume excessive memory, triggering process abortion.

Mitigation and Prevention

Discover the recommended steps to mitigate and prevent exploitation of CVE-2022-35922.

Immediate Steps to Take

Users are strongly advised to update rust-websocket to version 0.26.5 to address the memory allocation issue and enhance security.

Long-Term Security Practices

Implement strict input validation and filtering mechanisms to prevent untrusted sources from manipulating memory allocation.

Patching and Updates

Regularly check for security updates and apply patches promptly to stay protected against known vulnerabilities.