Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-47949

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
24/12/2022
Last modified:
06/01/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:nintendo:animal_crossing\:_new_horizons:*:*:*:*:*:*:*:* 2.0.6 (excluding)
cpe:2.3:a:nintendo:arms:*:*:*:*:*:*:*:* 5.4.1 (excluding)
cpe:2.3:a:nintendo:mario_kart_7:*:*:*:*:*:*:*:* 1.2 (excluding)
cpe:2.3:a:nintendo:mario_kart_8:*:*:*:*:deluxe:*:*:* 2.1.0 (excluding)
cpe:2.3:a:nintendo:mario_kart_8:-:*:*:*:-:*:*:*
cpe:2.3:a:nintendo:splatoon:*:*:*:*:*:*:*:*
cpe:2.3:a:nintendo:splatoon_2:*:*:*:*:*:*:*:* 5.5.1 (excluding)
cpe:2.3:a:nintendo:splatoon_3:*:*:*:*:*:*:*:*
cpe:2.3:a:nintendo:super_mario_maker_2:*:*:*:*:*:*:*:* 3.0.2 (excluding)
cpe:2.3:a:nintendo:switch_sports:*:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools