CVE-2018-12370 : What You Need to Know

This CVE-2018-12370 article provides insights into a vulnerability in Firefox that allows bypassing of SameSite cookie protections when exiting Reader View mode, potentially leading to CSRF attacks.

Understanding CVE-2018-12370

This CVE involves a security issue in Firefox versions prior to 61, where malicious websites can trigger payloads upon exiting Reader View mode, circumventing CSRF protections.

What is CVE-2018-12370?

The SameSite cookie protections are not verified when exiting Reader View mode in Firefox, enabling malicious sites to execute payloads and bypass CSRF protections.

The Impact of CVE-2018-12370

This vulnerability affects Firefox versions earlier than 61, potentially exposing users to CSRF attacks and unauthorized data access.

Technical Details of CVE-2018-12370

This section delves into the specifics of the vulnerability in Firefox.

Vulnerability Description

The vulnerability allows malicious websites to trigger payloads upon exiting Reader View mode, exploiting the lack of SameSite cookie protections verification.

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions Affected: < 61

Exploitation Mechanism

Malicious websites can load Reader View mode and execute payloads upon exiting, exploiting the absence of SameSite cookie protections.

Mitigation and Prevention

To address CVE-2018-12370, users and organizations can take the following steps:

Immediate Steps to Take

Update Firefox to version 61 or later to mitigate the vulnerability.
Avoid visiting untrusted websites to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update browsers and software to patch security vulnerabilities.
Implement strong CSRF protections and security measures to prevent similar attacks.

Patching and Updates

Stay informed about security advisories from Mozilla and apply recommended patches promptly.