CVE-2020-6105 Code injection in F2fs-Tools
A specially crafted f2fs filesystem can trigger information overwrite and code execution in F2fs-Tools fsck, requiring user interaction to process the malicious file.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-6105?
CVE-2020-6105 is a high-severity code injection vulnerability in F2fs-Tools, published on 15 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause Information overwrite resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2020-6105?
It affects 1 product.
Products include F2fs-Tools Project F2fs-Tools.
How do I fix CVE-2020-6105?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-6105 being exploited?
There is no known exploitation of CVE-2020-6105 in the wild and no public exploit code.
Other vulnerabilities in F2fs-Tools
Sources
Also known as ALPINE-CVE-2020-6105, DEBIAN-CVE-2020-6105, GHSA-4883-9gwj-77mj, UBUNTU-CVE-2020-6105.