CVE-2023-37203 Code injection in Firefox
Attackers can trick users into creating shortcuts to local files via Drag and Drop, potentially leading to arbitrary code execution in Firefox.
- 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-2023-37203?
CVE-2023-37203 is a high-severity code injection vulnerability in Mozilla Firefox, published on 5 Jul 2023. 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
Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed an attacker to trick end-users into creating a shortcut to local system files. This could have been leveraged to execute arbitrary code. This vulnerability affects Firefox < 115.
Which versions are affected by CVE-2023-37203?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2023-37203?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-37203 being exploited?
There is no known exploitation of CVE-2023-37203 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-r39w-v7w4-p94f, UBUNTU-CVE-2023-37203.