CVE-2021-30507 : Vulnerability Insights and Analysis
Discover the impact and mitigation strategies for CVE-2021-30507, a vulnerability in Google Chrome on Android prior to version 90.0.4430.212. Learn how to safeguard against potential exploitation.
Inappropriate implementation in Offline in Google Chrome on Android prior to 90.0.4430.212 allowed a remote attacker to bypass site isolation via a crafted HTML page. This CVE was published on June 4, 2021.
Understanding CVE-2021-30507
This section will provide an in-depth look at the impact, technical details, and mitigation strategies related to CVE-2021-30507.
What is CVE-2021-30507?
CVE-2021-30507 is a vulnerability in Google Chrome on Android that allowed a remote attacker to bypass site isolation by exploiting an inappropriate implementation in Offline components.
The Impact of CVE-2021-30507
The impact of this vulnerability was significant as it could be exploited by a remote attacker who had already compromised the renderer process. This could lead to bypassing site isolation and potential further attacks through a malicious HTML page.
Technical Details of CVE-2021-30507
Let's delve deeper into the technical aspects of this vulnerability.
Vulnerability Description
The vulnerability stemmed from an inappropriate implementation in the Offline functionality of Google Chrome on Android, allowing the attacker to exploit the renderer process.
Affected Systems and Versions
Google Chrome versions prior to 90.0.4430.212 on Android were affected by this vulnerability.
Exploitation Mechanism
A remote attacker could exploit this vulnerability by leveraging the compromised renderer process to bypass site isolation using a specifically crafted HTML page.
Mitigation and Prevention
Discover the steps to mitigate and prevent the exploitation of this vulnerability.
Immediate Steps to Take
Users should update Google Chrome on Android to version 90.0.4430.212 or newer to safeguard against this vulnerability.
Long-Term Security Practices
Regularly updating software, practicing safe browsing habits, and staying informed about security updates are essential for long-term security.
Patching and Updates
Stay updated on security advisories and promptly apply security patches to address known vulnerabilities.