CVE-2021-30539 : Exploit Details and Defense Strategies
Get insights into CVE-2021-30539, a vulnerability in Google Chrome allowing remote attackers to bypass content security policy. Learn about impacted systems, exploitation, and mitigation.
A detailed analysis of CVE-2021-30539, a vulnerability in Google Chrome versions prior to 91.0.4472.77 that allowed a remote attacker to bypass content security policy.
Understanding CVE-2021-30539
This section provides insights into what CVE-2021-30539 entails.
What is CVE-2021-30539?
CVE-2021-30539 refers to an insufficient policy enforcement vulnerability in Google Chrome versions before 91.0.4472.77. This flaw enabled a remote attacker to bypass content security policy using a specifically crafted HTML page.
The Impact of CVE-2021-30539
The vulnerability posed a significant threat as it allowed adversaries to bypass content security policy, potentially leading to unauthorized access and data compromise.
Technical Details of CVE-2021-30539
Explore the technical aspects of CVE-2021-30539 below.
Vulnerability Description
The issue stemmed from insufficient policy enforcement within the content security policy of Google Chrome, enabling attackers to circumvent security restrictions.
Affected Systems and Versions
Google Chrome versions earlier than 91.0.4472.77 were impacted by this vulnerability, making them susceptible to exploitation by threat actors.
Exploitation Mechanism
Remote attackers could exploit this vulnerability by leveraging a specially crafted HTML page to evade content security policy restrictions.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-30539 and prevent similar vulnerabilities in the future.
Immediate Steps to Take
Users are advised to update Google Chrome to version 91.0.4472.77 or later to eliminate this vulnerability and enhance the security of their systems.
Long-Term Security Practices
Implementing robust content security policies, regular security updates, and staying informed about potential threats can contribute to long-term security resilience.
Patching and Updates
Stay proactive in applying security patches and updates for Google Chrome to address known vulnerabilities and protect against emerging threats.