CVE-2018-12016 Denial of service in n/a

High 7.5 Published 7 Jun 2018 Updated 16 Sep 2024

Remote attackers can crash the GNOME Web browser by triggering specific window.open and document.write calls, requiring users to update the application.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-12016?

CVE-2018-12016 is a high-severity denial of service vulnerability in n/a, published on 7 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

libephymain.so in GNOME Web (aka Epiphany) through 3.28.2.1 allows remote attackers to cause a denial of service (application crash) via certain window.open and document.write calls.

Which versions are affected by CVE-2018-12016?

It affects 1 product.

Products include Gnome Epiphany.

How do I fix CVE-2018-12016?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-12016 being exploited?

There is no known exploitation of CVE-2018-12016 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-12016, GHSA-5fwp-wgrw-hj8x, UBUNTU-CVE-2018-12016.