A vulnerability, which was classified as critical, was found in NVIDIA BMC (the affected version unknown). This affects an unknown function of the component IPMI Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The program 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA BMC contains a vulnerability in IPMI handler, where an authorized attacker can cause a buffer overflow and cause a denial of service or gain code execution.

The weakness was presented 01/13/2023. The advisory is shared at nvidia.custhelp.com. This vulnerability is uniquely identified as CVE-2022-42283 since 10/03/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/05/2023).

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

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• NVIDIA

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• BMC

License

• commercial

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