Learn about CVE-2021-30517, a type confusion vulnerability in Google Chrome pre-90.0.4430.212 allowing remote attackers to exploit heap corruption via crafted HTML pages. Find mitigation steps here.
A detailed overview of CVE-2021-30517, a vulnerability in Google Chrome that allowed remote attackers to potentially exploit heap corruption via a crafted HTML page.
Understanding CVE-2021-30517
This section provides insights into the nature and impact of the CVE-2021-30517 vulnerability.
What is CVE-2021-30517?
CVE-2021-30517 refers to a type confusion vulnerability in V8 in Google Chrome prior to version 90.0.4430.212. This allowed a remote attacker to potentially exploit heap corruption through a specially crafted HTML page.
The Impact of CVE-2021-30517
The impact of this vulnerability includes the potential for remote attackers to execute arbitrary code or crash the application, posing a significant risk to user data and system integrity.
Technical Details of CVE-2021-30517
Explore the technical aspects and implications of CVE-2021-30517 in this section.
Vulnerability Description
The vulnerability arises from the type confusion issue in the V8 JavaScript engine used by Google Chrome, enabling attackers to manipulate memory and potentially execute malicious code.
Affected Systems and Versions
Google Chrome versions prior to 90.0.4430.212 are impacted by this vulnerability, making users of these versions susceptible to exploitation.
Exploitation Mechanism
Remote attackers can trigger the vulnerability by enticing users to visit a specially crafted HTML page, leading to potential heap corruption and further exploitation.
Mitigation and Prevention
Discover preventive measures and security practices to safeguard systems from CVE-2021-30517.
Immediate Steps to Take
Users are advised to update Google Chrome to version 90.0.4430.212 or later to mitigate the vulnerability and enhance system security.
Long-Term Security Practices
Practicing safe browsing habits, avoiding suspicious websites, and keeping software up to date are essential for maintaining overall system security.
Patching and Updates
Regularly check for security updates and patches released by Google Chrome to address vulnerabilities and enhance the security posture of your system.