CVE-2019-5843 : Security Advisory and Response

A potential vulnerability in prior versions of Google Chrome (before 74.0.3729.108) allowed a remote attacker to potentially exploit heap corruption by using a specifically crafted HTML page, through an unauthorized access of memory in JavaScript.

Understanding CVE-2019-5843

Out of bounds memory access in JavaScript in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

What is CVE-2019-5843?

The vulnerability in Google Chrome before version 74.0.3729.108 could be exploited by a remote attacker through a specially crafted HTML page, leading to potential heap corruption.

The Impact of CVE-2019-5843

A remote attacker could exploit this vulnerability to potentially corrupt the heap memory in Google Chrome.

Technical Details of CVE-2019-5843

The technical details of the vulnerability in Google Chrome.

Vulnerability Description

Type: Out of bounds memory access

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Before 74.0.3729.108

Exploitation Mechanism

Attackers could exploit the vulnerability by using a specifically crafted HTML page to gain unauthorized access to memory in JavaScript.

Mitigation and Prevention

Ways to mitigate and prevent the exploitation of CVE-2019-5843.

Immediate Steps to Take

Update Google Chrome to version 74.0.3729.108 or newer.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update browsers and software to the latest versions.
Implement security best practices to prevent unauthorized access to memory.
Educate users on safe browsing habits.

Patching and Updates

Google released a patch in version 74.0.3729.108 to address this vulnerability.