CVE-2019-11737 : Vulnerability Insights and Analysis

This CVE-2019-11737 article provides insights into a security vulnerability affecting Firefox versions prior to 69, related to Content Security Policy (CSP) directives.

Understanding CVE-2019-11737

This section delves into the details of the vulnerability and its impact.

What is CVE-2019-11737?

When a wildcard ('*') is used for the host in CSP directives, any restrictions on port or path are ignored, leading to improper enforcement of CSP directives on content in Firefox versions before 69.

The Impact of CVE-2019-11737

The vulnerability allows CSP directives to be bypassed, potentially exposing users to malicious content due to the lack of proper enforcement.

Technical Details of CVE-2019-11737

Explore the technical aspects of the vulnerability.

Vulnerability Description

CSP directives fail to enforce restrictions on port or path when a wildcard is specified for the host, compromising content security.

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions Affected: < 69

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious content that bypasses CSP restrictions, potentially leading to security breaches.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-11737.

Immediate Steps to Take

Update Firefox to version 69 or above to patch the vulnerability.
Avoid visiting untrusted websites to minimize exposure to malicious content.

Long-Term Security Practices

Regularly update browsers and security software to protect against known vulnerabilities.
Implement strict CSP policies to enhance content security.

Patching and Updates

Stay informed about security advisories from Mozilla to apply timely patches and updates.