CVE-2021-30626 Explained : Impact and Mitigation

Out of bounds memory access in ANGLE in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2021-30626

This CVE pertains to an out-of-bounds memory access vulnerability in Google Chrome that could be exploited by a remote attacker to trigger heap corruption.

What is CVE-2021-30626?

The CVE-2021-30626 is a security vulnerability in Google Chrome that allows a remote attacker to exploit out-of-bounds memory access in the ANGLE component, potentially leading to heap corruption through a maliciously crafted HTML page.

The Impact of CVE-2021-30626

The impact of this vulnerability is significant as it could allow an attacker to execute arbitrary code, leading to potential system compromise and sensitive data exposure.

Technical Details of CVE-2021-30626

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves out-of-bounds memory access in ANGLE in Google Chrome versions prior to 93.0.4577.82, enabling a remote attacker to exploit heap corruption.

Affected Systems and Versions

Google Chrome versions less than 93.0.4577.82 are affected by this vulnerability, putting users of these versions at risk of exploitation.

Exploitation Mechanism

An attacker can exploit this vulnerability by crafting a malicious HTML page to trigger out-of-bounds memory access, potentially resulting in heap corruption.

Mitigation and Prevention

In this section, we discuss measures to mitigate and prevent exploitation of CVE-2021-30626.

Immediate Steps to Take

Users should update their Google Chrome browsers to version 93.0.4577.82 or later to prevent exploitation of this vulnerability.

Long-Term Security Practices

Maintaining up-to-date software, implementing security best practices, and exercising caution while browsing can help enhance overall security posture.

Patching and Updates

Regularly applying security patches and updates for software, particularly web browsers like Google Chrome, is essential to address known vulnerabilities and enhance security defenses.