CVE-2024-39840 Code injection in n/a
A malicious Factorio server can execute arbitrary code on clients by sending a crafted map that abuses Lua bytecode execution capabilities.
- 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
- None listed
What is CVE-2024-39840?
CVE-2024-39840 is a high-severity code injection vulnerability in n/a, published on 29 Jun 2024. 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
Factorio before 1.1.101 allows a crafted server to execute arbitrary code on clients via a custom map that leverages the ability of certain Lua base module functions to execute bytecode and generate fake objects.
Weakness: CWE-787
Which versions are affected by CVE-2024-39840?
How do I fix CVE-2024-39840?
No fix has been published for CVE-2024-39840 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2024-39840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-39840 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-vcvg-6m26-26vr.