CVE-2019-13714 : Exploit Details and Defense Strategies

Google Chrome version 78.0.3904.70 and earlier are affected by a vulnerability in the Color Enhancer extension that allows remote attackers to inject CSS into HTML pages.

Understanding CVE-2019-13714

This CVE identifies a security issue in Google Chrome versions prior to 78.0.3904.70 related to insufficient validation of untrusted input.

What is CVE-2019-13714?

The Color Enhancer extension in Google Chrome versions before 78.0.3904.70 lacks proper validation of untrusted input, enabling attackers to inject CSS into HTML pages through specially crafted URLs.

The Impact of CVE-2019-13714

This vulnerability could be exploited remotely by malicious actors to manipulate the appearance and behavior of web pages, potentially leading to various security risks.

Technical Details of CVE-2019-13714

Google Chrome's Color Enhancer extension is susceptible to a specific type of attack due to inadequate input validation.

Vulnerability Description

The vulnerability arises from the extension's failure to sufficiently validate external input, allowing attackers to insert CSS code into HTML content via manipulated URLs.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 78.0.3904.70

Exploitation Mechanism

Attackers can exploit this flaw by crafting URLs with malicious CSS code, which, when executed, alters the styling and layout of HTML pages.

Mitigation and Prevention

To address CVE-2019-13714 and enhance overall security:

Immediate Steps to Take

Update Google Chrome to a version beyond 78.0.3904.70 to mitigate the vulnerability.
Avoid clicking on suspicious or untrusted URLs to prevent potential CSS injection attacks.

Long-Term Security Practices

Regularly monitor and apply security updates for all software and extensions to prevent known vulnerabilities.
Educate users on safe browsing practices and the risks associated with interacting with unverified content.

Patching and Updates

Google has released patches addressing this vulnerability. Ensure timely installation of updates to protect systems from potential exploitation.