Privilege escalation in NVIDIA DCGM

1) Code Injection

EUVDB-ID: #VU55645

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34398

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in the DIAG module where any user can inject shared libraries into the DCGM server, which is usually running as root. A local user can inject and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NVIDIA Data Center GPU Manager (DCGM): 2.0.10 - 2.2.8

External links

http://nvidia.custhelp.com/app/answers/detail/a_id/5219

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.