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CVE-2022-2998

Status Candidate

Overview

Use after free in Browser Creation in Google Chrome prior to 104.0.5112.101 allowed a remote attacker who had convinced a user to engage in a specific UI interaction to potentially exploit heap corruption via a crafted HTML page.

Related Files

Chrome LinkToTextMenuObserver::CompleteWithError Heap Use-After-Free
Posted Sep 16, 2022
Authored by Google Security Research, Glazvunov

A use-after-free issue exists in Chrome 104 and earlier versions. Processing maliciously crafted web content may lead to arbitrary code execution in the browser process. LinkToTextMenuObserver holds a raw pointer to a RenderFrameHost object, but is not owned by the frame host and does not watch for frame host destruction events. Therefore, if an attacker manages to destroy the frame host right after the observer is created but before the timeout task posted in StartLinkGenerationRequestWithTimeout() is executed, use-after-free will occur.

tags | exploit, web, arbitrary, code execution
advisories | CVE-2022-2998
SHA-256 | 071c2f32b441a15bf0f0c6db3397a3899a646938aeb7df15abb5fc345c9589e8
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