CVE-2019-13721 Explained : Impact and Mitigation

A vulnerability related to the use after free issue in PDFium, found in versions of Google Chrome before 78.0.3904.87, could potentially be exploited by a remote attacker. This exploit would involve manipulating a crafted HTML page to potentially corrupt the heap.

Understanding CVE-2019-13721

This CVE involves a use after free vulnerability in Google Chrome's PDFium component.

What is CVE-2019-13721?

CVE-2019-13721 is a security vulnerability in Google Chrome that allows a remote attacker to potentially corrupt the heap by exploiting a use after free issue in the PDFium component.

The Impact of CVE-2019-13721

The vulnerability could be exploited by a remote attacker to manipulate a crafted HTML page, leading to potential heap corruption.

Technical Details of CVE-2019-13721

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability is related to a use after free issue in PDFium in Google Chrome versions prior to 78.0.3904.87.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 78.0.3904.87
Version Type: Custom

Exploitation Mechanism

The exploit involves manipulating a crafted HTML page to potentially corrupt the heap.

Mitigation and Prevention

Protective measures to address CVE-2019-13721.

Immediate Steps to Take

Update Google Chrome to version 78.0.3904.87 or later.
Avoid clicking on suspicious links or visiting untrusted websites.
Implement security best practices for web browsing.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Employ security tools like antivirus and antimalware programs.
Educate users on safe browsing habits and cybersecurity awareness.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.