Multiple vulnerabilities in NVIDIA DGX A100 and DGX A800

Published: 2023-07-04

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-25521 CVE-2023-25522
CWE-ID	CWE-250 CWE-20
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	DGX A800 System Hardware solutions / Firmware DGX A100 Servers Hardware solutions / Firmware NVIDIA SBIOS Operating systems & Components / Operating system
Vendor	nVidia

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Execution with unnecessary privileges

EUVDB-ID: #VU77919

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25521

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper validation of an input parameter in SBIOS. A local administrator can run the affected binary and execute arbitrary code on the system with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DGX A800 System: All versions

DGX A100 Servers: before 23.06.3

NVIDIA SBIOS: before 1.21

External links

http://nvidia.custhelp.com/app/answers/detail/a_id/5461

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU77920