Integer overflow

An integer overflow that leads to a use-after-free in Blink Storage in Google Chrome on Linux prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

CVE-2019-5788

An integer overflow that leads to a use-after-free in Blink Storage in Google Chrome on Linux prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

DEBIAN-CVE-2019-5789

An integer overflow that leads to a use-after-free in WebMIDI in Google Chrome on Windows prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

CVE-2019-5788

An integer overflow that leads to a use-after-free in Blink Storage in Google Chrome on Linux prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

CVE-2019-5789

An integer overflow that leads to a use-after-free in WebMIDI in Google Chrome on Windows prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

CVE-2019-5788

An integer overflow that leads to a use-after-free in Blink Storage in Google Chrome on Linux prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page...

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 - 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

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 - 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...