Vulnerability CVE-2021-1099

Vulnerability Name:

CVE-2021-1099 (CCN-206043)

Assigned:

2020-11-12

Published:

2021-07-20

Updated:

2021-07-27

Summary:

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin) that could allow an attacker to cause stack-based buffer overflow and put a customized ROP gadget on the stack. Such an attack may lead to information disclosure, data tampering, or denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: 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)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low 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-787

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-1099

Source: XF
Type: UNKNOWN
nvidia-cve20211099-bo(206043)

Source: CCN
Type: NVIDIA Security Bulletin Answer ID 5211
NVIDIA GPU Display Drivers - July 2021

Source: CONFIRM
Type: Patch, Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5211

Vulnerable Configuration:

Configuration 1:

cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 8.0 and < 8.8)

OR cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.5)

OR cpe:/a:nvidia:virtual_gpu:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.3)

Denotes that component is vulnerable

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