Microsoft Edge DownloadOperation Sandbox Escape Vulnerability

This vulnerability allows remote attackers to escalate privileges on vulnerable installations of Microsoft Edge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of...

chromium-browser: Use-after-free in IndexedDB

Use after free in IndexedDB in Google Chrome prior to 73.0.3683.86 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page...

Virtually Unlimited Memory: Escaping the Chrome Sandbox

Posted by Mark Brand, Exploit Technique Archaeologist. Introduction After discovering a collection of possible sandbox escape vulnerabilities in Chrome, it seemed worthwhile to exploit one of these issues as a full-chain exploit together with a renderer vulnerability to get a better understanding...

Design/Logic Flaw

The renderer process in the entertainment system on Tesla Model 3 vehicles mishandles JIT compilation, which allows attackers to trigger firmware code execution, and display a crafted message to vehicle occupants...

Google Chrome < M73 - FileSystemOperationRunner Use-After-Free Exploit

Google Chrome operation OperationID id = nextoperationid++; // TODOhttps://crbug.com/864351: Diagnostic to determine whether OperationID // wrap-around is occurring in the wild. DCHECKoperations.findid == operations.end; // ! If id already in operations, this will free operation...

Google Chrome M73 - FileSystemOperationRunner Use-After-Free

Google Chrome M73 - FileSystemOperationRunner Use-After-Free There's a comment in FileSystemOperationRunner::BeginOperation OperationID FileSystemOperationRunner::BeginOperation std::uniqueptr operation OperationID id = nextoperationid++; // TODOhttps://crbug.com/864351: Diagnostic to determine...

Google Chrome < M73 - MidiManagerWin Use-After-Free

MidiManagerWin uses a similar instanceid mechanism to the TaskService implementation to ensure that delayed tasks are only executed if the MidiManager instance that they were scheduled on is still alive. However, this instanceid is an int, and there is no check that it hasn't overflowed, unlike i...

Google Chrome 72 and 73 Array.map exploit

This module exploits an issue in Chrome 73.0.3683.86 64 bit. The exploit corrupts the length of a float in order to modify the backing store of a typed array. The typed array can then be used to read and write arbitrary memory. The exploit then uses WebAssembly in order to allocate a region of RW...

Google Chrome < M72 - FileWriterImpl Use-After-Free Exploit

Google Chrome GetBlobDataFromBlobPtr std::moveblob, base::BindOnce&FileWriterImpl::DoWrite, base::Unretainedthis, std::movecallback, position; Note that the last argument to GetBlobDataFromBlobPtr is a callback object bound to base::Unretainedthis. And the implementation of GetBlobDataFromBlobPtr...

Google Chrome M72 - FileWriterImpl Use-After-Free

Google Chrome M72 - FileWriterImpl Use-After-Free There's a use-after-free in the implementation of the FileWriter component of the mojo bindings for the filesystem API. The browser-process side of this API is defined in...

Google Chrome < M72 - RenderFrameHostImpl::CreateMediaStreamDispatcherHost Use-After-Free

There's a race-condition / object-lifetime issue in the browser process when the browser process shutdown races against the IO thread handling mojo messages from the renderer. It's at least possible to trigger this by closing the browser while running the attached poc; I'm not sure if there's a...

Google Chrome < M72 - FileWriterImpl Use-After-Free

There's a use-after-free in the implementation of the FileWriter component of the mojo bindings for the filesystem API. The browser-process side of this API is defined in https://cs.chromium.org/chromium/src/thirdparty/blink/public/mojom/filesystem/filewriter.mojom?type=cs&sq=package:chromium&g=0...

Google Chrome M72 - RenderFrameHostImpl::CreateMediaStreamDispatcherHost Use-After-Free

Google Chrome M72 - RenderFrameHostImpl::CreateMediaStreamDispatcherHost Use-After-Free There's a race-condition / object-lifetime issue in the browser process when the browser process shutdown races against the IO thread handling mojo messages from the renderer. It's at least possible to trigger...

Android Kernel 4.8 - ptrace seccomp Filter Bypass

Android Kernel 4.8 - ptrace seccomp Filter Bypass / The seccomp.2 manpage http://man7.org/linux/man-pages/man2/seccomp.2.html documents: Before kernel 4.8, the seccomp check will not be run again after the tracer is notified. This means that, on older ker‐ nels, seccomp-based sandboxes must not...

Android Kernel < 4.8 - ptrace seccomp Filter Bypass Exploit

/ The seccomp.2 manpage http://man7.org/linux/man-pages/man2/seccomp.2.html documents: Before kernel 4.8, the seccomp check will not be run again after the tracer is notified. This means that, on older ker‐ nels, seccomp-based sandboxes must not allow use of ptrace2—even of other sandboxed...

DEBIAN-CVE-2019-5773

Insufficient origin validation in IndexedDB in Google Chrome prior to 72.0.3626.81 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page...

UBUNTU-CVE-2019-5773

Insufficient origin validation in IndexedDB in Google Chrome prior to 72.0.3626.81 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page...

chromium-browser: Insufficient data validation in IndexedDB

Insufficient origin validation in IndexedDB in Google Chrome prior to 72.0.3626.81 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page...

CVE-2018-6153

A precision error in Skia in Google Chrome prior to 68.0.3440.75 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory write via a crafted HTML page...

CVE-2018-6127

Early free of object in use in IndexDB in Google Chrome prior to 67.0.3396.62 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page...