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Remote Code Execution in Firefox beyond memory corruptions

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Abstract: Browsers are complicated enough to have attack surface beyond memory safety issues. This talk will look into injection flaws in the user interface of Mozilla Firefox, which is implemented in JS, HTML, and an XML-dialect called XUL. With an Cross-Site Scripting (XSS) in the user interface attackers can execute arbitrary code in the context of the main browser application process. This allows for cross-platform exploits of high reliability. The talk discusses past vulnerabilities and will also suggest mitigations that benefit Single Page Applications and other platforms that may suffer from DOM-based XSS, like Electron.

 

Linkhttps://frederik-braun.com/firefox-ui-xss-leading-to-rce.html

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