CVE-2019-13723 Use after free in Chrome

High 8.8 Published Updated

A remote attacker with compromised renderer access can exploit heap corruption in WebBluetooth via a crafted HTML page to potentially execute arbitrary code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-13723?

CVE-2019-13723 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 25 Nov 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Use after free in WebBluetooth in Google Chrome prior to 78.0.3904.108 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Weakness: CWE-787, CWE-416

Which versions are affected by CVE-2019-13723?

It affects 6 products.

Products include Fedoraproject Fedora, Google Chrome, Opensuse Backports, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2019-13723?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-13723 being exploited?

There is no known exploitation of CVE-2019-13723 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-13723, GHSA-96h9-3p6v-cqh2, UBUNTU-CVE-2019-13723.

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