CVE-2021-46048 : Security Advisory and Response

A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.

Understanding CVE-2021-46048

This CVE involves a Denial of Service vulnerability in Binaryen 104.

What is CVE-2021-46048?

The vulnerability arises from an assertion abort in wasm::WasmBinaryBuilder::readFunctions in Binaryen 104.

The Impact of CVE-2021-46048

The vulnerability can result in Denial of Service attacks on systems utilizing Binaryen 104.

Technical Details of CVE-2021-46048

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is triggered by an assertion abort in the mentioned function within Binaryen 104.

Affected Systems and Versions

Affected Version: Binaryen 104
All systems using Binaryen 104 are susceptible to this vulnerability

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to cause a Denial of Service condition by triggering the assertion abort.

Mitigation and Prevention

Protective measures and steps to address the CVE.

Immediate Steps to Take

Monitor for any unusual spikes in resource consumption that could indicate a DoS attack
Consider applying patches or updates provided by Binaryen to mitigate the vulnerability

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Implement network and system monitoring tools to detect abnormal behavior
Conduct security audits to identify and address potential weaknesses

Patching and Updates

Apply relevant patches or updates released by the Binaryen project to eliminate the vulnerability.