Sandbox Escape via Use-After-Free in Firefox

Executive Summary

This is a sandbox escape vulnerability caused by a use-after-free error in Firefox's Disability Access APIs component. It allows malicious code to break out of the browser's security sandbox, potentially gaining unauthorized access to system resources or other sensitive data.

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Detection Guidance

This vulnerability is fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. To detect if your system is vulnerable, check the installed Firefox version using commands like 'firefox --version' or 'about:support' in the browser. If the version is below these thresholds, the system is vulnerable.

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Impact Analysis

If exploited, this vulnerability could allow attackers to escape the browser sandbox and execute arbitrary code on your system with the same privileges as the Firefox process. This could lead to data theft, installation of malware, or further compromise of your device.

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Compliance Impact

The provided CVE data does not specify how this vulnerability affects compliance with standards like GDPR or HIPAA. The vulnerability involves a sandbox escape due to use-after-free in Disability Access APIs, but no direct impact on regulatory compliance is mentioned.

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Mitigation Strategies

Update Firefox to version 153 or later, Firefox ESR 115.38 or later, or Firefox ESR 140.13 or later. Mozilla has patched this issue in these versions, so applying the latest updates will mitigate the vulnerability.

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