Type Confusion in ANGLE in Google Chrome

Executive Summary

This is a type confusion vulnerability in ANGLE, a graphics library used by Google Chrome. It allows a remote attacker who has already compromised the renderer process to escape the browser's sandbox security restrictions by tricking the browser into misinterpreting data types through a specially crafted HTML page.

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Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. If your version is prior to 151.0.7922.72, the system is vulnerable. Use commands like 'google-chrome --version' or check via package manager (e.g., 'apt list --installed | grep chrome' for Debian-based systems).

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Impact Analysis

If you visit a malicious website, an attacker could exploit this flaw to break out of Chrome's sandbox and gain control over your computer. This could allow them to install malware, steal data, or perform other malicious actions on your system.

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Compliance Impact

This vulnerability involves a type confusion in ANGLE within Google Chrome, enabling a remote attacker to escape the renderer sandbox via a crafted HTML page. Such sandbox escapes could lead to unauthorized access to sensitive data, potentially violating data protection requirements under GDPR and HIPAA if exploited.

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Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the Type Confusion vulnerability in ANGLE that could lead to sandbox escape.

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