CVE-2021-30566 Explained : Impact and Mitigation
Discover the details of CVE-2021-30566, a stack buffer overflow flaw in Google Chrome. Learn about its impact, affected versions, and mitigation steps.
A stack buffer overflow vulnerability was discovered in Google Chrome before version 92.0.4515.107. An attacker with control over the renderer process could exploit this issue by using a specially crafted HTML page.
Understanding CVE-2021-30566
This section will provide insights into the nature of the vulnerability and its implications.
What is CVE-2021-30566?
The CVE-2021-30566 is a stack buffer overflow vulnerability identified in the Printing component of Google Chrome. Attackers who compromised the renderer process could potentially trigger stack corruption using a malicious HTML page.
The Impact of CVE-2021-30566
This vulnerability could allow a remote attacker to execute arbitrary code or crash the application, leading to a denial of service condition. Successful exploitation may result in the complete compromise of the affected system.
Technical Details of CVE-2021-30566
In this section, we will delve into the specific technical aspects of the CVE-2021-30566 vulnerability.
Vulnerability Description
The vulnerability involves a stack buffer overflow in the Printing functionality of Google Chrome. By sending a specially crafted HTML page, an attacker could corrupt the stack and potentially execute arbitrary code.
Affected Systems and Versions
Google Chrome versions prior to 92.0.4515.107 are impacted by this vulnerability. Users are advised to update to the latest version to mitigate the risk.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by luring a user to visit a malicious website or click on a crafted link that triggers the stack buffer overflow.
Mitigation and Prevention
To address the CVE-2021-30566 vulnerability, users and organizations should take immediate action to secure their systems.
Immediate Steps to Take
It is recommended to update Google Chrome to version 92.0.4515.107 or later to eliminate this vulnerability. Users should also exercise caution while browsing unfamiliar websites.
Long-Term Security Practices
Maintaining regular software updates, employing security tools, and educating users about safe browsing practices can help prevent future security incidents.
Patching and Updates
Stay informed about security advisories from Google Chrome and apply patches promptly to protect against known vulnerabilities.