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NvidiaCVELIST:CVE-2023-0202

HistoryApr 22, 2023 - 2:23 a.m.

CVE-2023-0202

2023-04-2202:23:32

CWE-119

nvidia

www.cve.org

nvidia dgx a100

sbios

memory modification

smram

genericsio

legacysmmsredir

denial of service

escalation of privileges

information disclosure

cve-2023-0202

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

Percentile

9.0%

JSON

NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "NVIDIA DGX servers",
    "vendor": "NVIDIA",
    "versions": [
      {
        "status": "affected",
        "version": "All SBIOS versions prior to 1.18"
      }
    ]
  }
]

References

nvidia.custhelp.com/app/answers/detail/a_id/5449

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

Percentile

9.0%

JSON

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