Nintendo Mario Kart Wii RMCE01/RMCJ01/RMCK01/RMCP01 Packet buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Nintendo Mario Kart Wii RMCE01/RMCJ01/RMCK01/RMCP01. The affected element is an unknown function of the component Packet Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2023-35856. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Nintendo Mario Kart Wii RMCE01/RMCJ01/RMCK01/RMCP01. It has been declared as critical. This vulnerability affects an unknown functionality of the component Packet Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow in Nintendo Mario Kart Wii RMCP01, RMCE01, RMCJ01, and RMCK01 can be exploited by a game client to execute arbitrary code on a client's machine via a crafted packet.

The weakness was published 06/19/2023. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-35856. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-39849). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/19/2023 🔍
06/19/2023 +0 days 🔍
06/19/2023 +0 days 🔍
01/11/2026 +937 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-35856 (🔍)
GCVE (CVE): GCVE-0-2023-35856
GCVE (VulDB): GCVE-100-231820
EUVD: 🔍

Entryinfo

Created: 06/19/2023 06:56
Updated: 01/11/2026 17:52
Changes: 06/19/2023 06:56 (36), 06/19/2023 06:57 (1), 07/15/2023 07:40 (1), 07/15/2023 07:46 (11), 01/11/2026 17:52 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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