Vulnerability CVE-2021-1120

Vulnerability Name:

CVE-2021-1120 (CCN-212555)

Assigned:

2020-11-12

Published:

2021-10-28

Updated:

2021-11-02

Summary:

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a string provided by the guest OS may not be properly null terminated. The guest OS or attacker has no ability to push content to the plugin through this vulnerability, which may lead to information disclosure, data tampering, unauthorized code execution, and denial of service.

CVSS v3 Severity:

7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-Other

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-1120

Source: XF
Type: UNKNOWN
nvidia-cve20211120-code-exec(212555)

Source: CCN
Type: NVIDIA Security Bulletin Answer ID 5230
NVIDIA GPU Display Driver - October 2021

Source: CONFIRM
Type: Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5230

Vulnerable Configuration:

Configuration 1:

cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 8.0 and < 8.9)

OR cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.6)

OR cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.4)

OR cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 13.0 and < 13.1)

Denotes that component is vulnerable

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