CVE-2021-30532 : Vulnerability Insights and Analysis

Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.

Understanding CVE-2021-30532

This CVE describes a vulnerability in Google Chrome that could enable a remote attacker to bypass the content security policy.

What is CVE-2021-30532?

The vulnerability is due to insufficient policy enforcement in the Content Security Policy in Google Chrome versions prior to 91.0.4472.77. An attacker can exploit this to bypass the security policy using a specially crafted HTML page.

The Impact of CVE-2021-30532

The impact of this vulnerability is significant as it allows attackers to circumvent security measures put in place by content security policies, potentially leading to unauthorized access or data breaches.

Technical Details of CVE-2021-30532

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from the inadequate enforcement of the Content Security Policy in affected versions of Google Chrome, enabling threat actors to evade security controls.

Affected Systems and Versions

Google Chrome versions prior to 91.0.4472.77 are affected by this vulnerability. Users with these versions are at risk of exploitation.

Exploitation Mechanism

Exploiting CVE-2021-30532 involves creating a malicious HTML page to manipulate the Content Security Policy enforcement in Google Chrome, allowing an attacker to bypass security restrictions.

Mitigation and Prevention

To safeguard systems from CVE-2021-30532, certain steps and security practices need to be implemented.

Immediate Steps to Take

Users should update their Google Chrome browser to versions equal to or greater than 91.0.4472.77 to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly updating software, maintaining robust security policies, and exercising caution while browsing can enhance overall security posture.

Patching and Updates

Vendors and security teams must ensure timely patching of known vulnerabilities and stay informed about emerging threats to protect systems effectively.