CVE-2018-18350 : What You Need to Know

A flaw in the way CSP enforcement was handled in Blink in previous versions of Google Chrome (before 71.0.3578.80) allowed an attacker to circumvent content security policy by using a specially crafted HTML page.

Understanding CVE-2018-18350

What is CVE-2018-18350?

Incorrect handling of CSP enforcement during navigations in Blink in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to bypass content security policy via a crafted HTML page.

The Impact of CVE-2018-18350

This vulnerability allowed attackers to bypass content security policy, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2018-18350

Vulnerability Description

The flaw in Blink in Google Chrome versions before 71.0.3578.80 enabled attackers to evade content security policy enforcement through malicious HTML pages.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 71.0.3578.80

Exploitation Mechanism

Attackers could exploit this vulnerability by crafting HTML pages to bypass content security policy, potentially leading to unauthorized actions.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 71.0.3578.80 or newer to mitigate the vulnerability.
Be cautious while browsing untrusted websites to avoid potential exploitation.

Long-Term Security Practices

Regularly update browsers and security software to protect against known vulnerabilities.
Implement strict content security policies to reduce the risk of exploitation.

Patching and Updates

Stay informed about security updates for Google Chrome and apply patches promptly to address known vulnerabilities.