Privilege Escalation in Firefox Service Workers

Executive Summary

This is a privilege escalation vulnerability in the DOM Service Workers component of Firefox browsers. It allows an attacker to gain elevated privileges through improper handling of Service Worker operations in the Document Object Model.

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Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data or system functions. Users running vulnerable Firefox versions might have their browser sessions compromised, leading to data theft or further system exploitation.

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Compliance Impact

The vulnerability allows privilege escalation through the DOM: Service Workers component, which could lead to unauthorized access or control. This may impact compliance with GDPR by risking unauthorized data access or processing, and with HIPAA by potentially exposing protected health information if exploited in healthcare environments.

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Mitigation Strategies

Update Firefox to version 156 or later, Firefox ESR to version 115.41 or later, Firefox ESR to version 140.16 or later, or Firefox ESR to version 153.3 or later to address the privilege escalation in the DOM: Service Workers component.

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