CVE-2022-27810 : What You Need to Know

A detailed analysis of CVE-2022-27810 focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2022-27810

In this section, we will delve into the nature of the vulnerability and its implications.

What is CVE-2022-27810?

The CVE-2022-27810 vulnerability allowed for triggering an infinite recursion condition in the error handler during the execution of specific malicious JavaScript in Hermes. This issue only occurred in dev-mode with asserts enabled. It impacts Hermes versions before v0.12.0.

The Impact of CVE-2022-27810

The vulnerability could be exploited to induce infinite recursion, potentially leading to denial of service (DoS) as the application might become unresponsive or crash.

Technical Details of CVE-2022-27810

This section will outline the specific technical aspects of the vulnerability.

Vulnerability Description

The flaw enabled the execution of specific malicious JavaScript to trigger an infinite recursion condition in the error handler in Hermes.

Affected Systems and Versions

The vulnerability affects Hermes versions prior to v0.12.0 when running in dev-mode with asserts enabled.

Exploitation Mechanism

By crafting and executing malicious JavaScript code, an attacker could exploit this vulnerability to trigger infinite recursion in Hermes.

Mitigation and Prevention

Here we discuss the necessary steps to mitigate the risks posed by CVE-2022-27810.

Immediate Steps to Take

It is crucial to update Hermes to version v0.12.0 or newer to address this vulnerability. Additionally, consider disabling asserts in production environments.

Long-Term Security Practices

To enhance security posture, maintain regular updates of all software components and conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay vigilant for security advisories and promptly apply patches or updates provided by Hermes to ensure ongoing protection against known vulnerabilities.