Chrome Extension Sandbox Escape via Malicious Extension

Executive Summary

This vulnerability involves insufficient validation of untrusted input in Google Chrome's Extensions feature. An attacker could trick a user into installing a malicious extension, which might then exploit weak input checks to escape the browser's sandbox and potentially execute unauthorized actions on the user's system.

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Detection Guidance

This vulnerability involves insufficient validation in Chrome Extensions. Detection requires checking installed extensions for suspicious or untrusted ones. Review extensions in chrome://extensions and look for unfamiliar or recently added extensions. No specific commands are provided in the context.

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Impact Analysis

If exploited, this flaw could allow an attacker to bypass the browser's security restrictions, potentially accessing sensitive data or performing actions outside the intended sandbox environment. This could lead to data theft, malware installation, or further compromise of the user's system.

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Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves a sandbox escape in Google Chrome via a malicious extension. However, if exploited, it could lead to unauthorized data access, which may impact compliance depending on the specific regulatory requirements of the affected system.

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Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later. Remove any untrusted or suspicious extensions from chrome://extensions. Avoid installing extensions from untrusted sources.

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