CVE-2020-6554 Use after free in Chrome
A remote attacker can escape the sandbox and execute code via a crafted Chrome Extension due to a use-after-free vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-6554?
CVE-2020-6554 is a high-severity use after free vulnerability in Debian Debian Linux, published on 21 Sep 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Use after free in extensions in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.
Weakness: CWE-416
Which versions are affected by CVE-2020-6554?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Google Chrome.
How do I fix CVE-2020-6554?
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-2020-6554 being exploited?
There is no known exploitation of CVE-2020-6554 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-6554, GHSA-6xgq-qqh9-3v8g, UBUNTU-CVE-2020-6554.