CVE-2022-47949 Memory corruption in n/a
Remote attackers can execute arbitrary code via a buffer overflow in the NetworkBuffer class when victims join a game session.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-47949?
CVE-2022-47949 is a critical memory corruption vulnerability in n/a, published on 24 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.
Weakness: CWE-120
Which versions are affected by CVE-2022-47949?
It affects 9 products.
Products include Nintendo Animal Crossing\, Nintendo Arms, Nintendo Mario Kart 7, Nintendo Mario Kart 8, Nintendo Splatoon, Nintendo Splatoon 2 and 3 more.
How do I fix CVE-2022-47949?
No fix has been published for CVE-2022-47949 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-2022-47949 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-47949 exists.
Sources
Also known as GHSA-85gv-67qj-g3gx.