CVE-2018-5175 : What You Need to Know

This CVE-2018-5175 article provides insights into a vulnerability affecting Firefox versions prior to 60, allowing attackers to bypass Content Security Policy (CSP) protections.

Understanding CVE-2018-5175

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

What is CVE-2018-5175?

CVE-2018-5175 is a vulnerability in Firefox versions below 60 that enables attackers to circumvent CSP safeguards on websites with a 'strict-dynamic' policy for 'script-src'.

The Impact of CVE-2018-5175

The vulnerability allows attackers to inject a link to a duplicate of the 'require.js' library in Firefox's Developer Tools, exploiting it to surpass CSP limitations on executing injected scripts.

Technical Details of CVE-2018-5175

This section provides technical specifics of the CVE.

Vulnerability Description

The flaw permits a universal CSP bypass on sites utilizing 'strict-dynamic' in their policies, enabling HTML injection and script execution beyond CSP restrictions.

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions Affected: < 60

Exploitation Mechanism

Attackers inject a link to a duplicate 'require.js' library
Utilize a known technique to bypass CSP restrictions

Mitigation and Prevention

Explore the steps to mitigate and prevent exploitation of CVE-2018-5175.

Immediate Steps to Take

Update Firefox to version 60 or above
Implement strict input validation to prevent HTML injection

Long-Term Security Practices

Regularly monitor and update CSP policies
Conduct security audits to detect and address vulnerabilities

Patching and Updates

Apply security patches provided by Mozilla