CVE-2018-20201 Memory corruption in n/a
A stack-based buffer over-read in Espruino allows attackers to cause a denial of service via a crafted JavaScript file.
- 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
- None listed
What is CVE-2018-20201?
CVE-2018-20201 is a high-severity memory corruption vulnerability in n/a, published on 18 Dec 2018. 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
There is a stack-based buffer over-read in the jsfNameFromString function of jsflash.c in Espruino 2V00, leading to a denial of service or possibly unspecified other impact via a crafted js file.
Weakness: CWE-125
Which versions are affected by CVE-2018-20201?
It affects 1 product.
Products include Pur3 Espruino.
How do I fix CVE-2018-20201?
No fix has been published for CVE-2018-20201 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-20201 being exploited?
There is no known exploitation of CVE-2018-20201 in the wild and no public exploit code.
Sources
Also known as GHSA-24g6-h5ch-r4vh.