CVE-2021-30628 : Security Advisory and Response

This article provides an overview of CVE-2021-30628, a stack buffer overflow vulnerability in Google Chrome versions prior to 93.0.4577.82, allowing remote attackers to exploit stack corruption via a crafted HTML page.

Understanding CVE-2021-30628

In this section, we will delve into what CVE-2021-30628 entails and its potential impact.

What is CVE-2021-30628?

CVE-2021-30628 is a stack buffer overflow vulnerability found in ANGLE in Google Chrome before version 93.0.4577.82. This flaw could be exploited by a remote attacker through a specially crafted HTML page.

The Impact of CVE-2021-30628

The vulnerability could lead to stack corruption, potentially allowing an attacker to execute arbitrary code or crash the application, posing a significant risk to users of affected Chrome versions.

Technical Details of CVE-2021-30628

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

Vulnerability Description

The stack buffer overflow in ANGLE in Google Chrome enables attackers to trigger stack corruption by exploiting the flaw with a malicious HTML page.

Affected Systems and Versions

Google Chrome versions prior to 93.0.4577.82 are impacted by this vulnerability, putting users of these versions at risk of exploitation.

Exploitation Mechanism

By crafting a malicious HTML page, remote attackers can trigger stack buffer overflow in ANGLE, potentially leading to stack corruption in affected Chrome versions.

Mitigation and Prevention

In this section, we will discuss the steps to mitigate the risks associated with CVE-2021-30628.

Immediate Steps to Take

Users are advised to update their Chrome browser to version 93.0.4577.82 or higher to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Practicing good security hygiene, such as avoiding suspicious websites and links, can help reduce the risk of falling victim to similar vulnerabilities in the future.

Patching and Updates

Regularly checking for and applying security patches released by Google for Chrome is essential to stay protected against known vulnerabilities.