CVE-2023-0202 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Nvidia DGX A100 Firmware

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer3 documents3 sources
Severity
7.8HIGHNVD
CNA7.5
EPSS
0.0%
top 88.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nvidia DGX A100 FirmwareNvidia DGX Servers
Timeline
PublishedApr 22

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5nvidia/nvidia_dgx_serversAll SBIOS versions prior to 1.18

🔴Vulnerability Details

2
GHSA
GHSA-6fqg-j6g5-mh37: NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir↗2023-04-22
▶
CVEList
CVE-2023-0202: NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir↗2023-04-22
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CVE-2023-0202 — Nvidia DGX A100 Firmware vulnerability | cvebase