Nvidia DGX A100 SBIOS authentication bypass

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Nvidia DGX A100. The affected element is an unknown function of the component SBIOS. Such manipulation leads to authentication bypass. This vulnerability is documented as CVE-2022-42276. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Nvidia DGX A100 (version unknown) and classified as critical. Affected by this issue is an unknown function of the component SBIOS. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. Impacted is confidentiality, integrity, and availability. CVE summarizes:

NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.

The weakness was released 01/13/2023. The advisory is available at nvidia.custhelp.com. This vulnerability is handled as CVE-2022-42276 since 10/03/2022. The technical details are unknown and an exploit is not available.

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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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.6
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (NVIDIA Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

10/03/2022 🔍
01/13/2023 +102 days 🔍
01/13/2023 +0 days 🔍
02/05/2023 +23 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed

CVE: CVE-2022-42276 (🔍)
GCVE (CVE): GCVE-0-2022-42276
GCVE (VulDB): GCVE-100-218246

Entryinfo

Created: 01/13/2023 10:02
Updated: 02/05/2023 15:29
Changes: 01/13/2023 10:02 (47), 02/05/2023 15:29 (11)
Complete: 🔍
Cache ID: 216::103

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