CVE-2021-1120
Quick assessment
Affected
NVIDIA NVIDIA Virtual GPU Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nvidia vGPU Software是美国Nvidia公司的一个用于为虚拟机提供GPU功能的管理软件。该软件支持多个虚拟机访问主机的GPU，为虚拟机提供图形性能和应用程序兼容性。 NVIDIA vGPU 存在安全漏洞，该漏洞源于 NVIDIA vGPU 软件在 Virtual GPU Manager (vGPU plugin) 中包含一个漏洞，其中 guest OS 提供的字符串可能未正确以空字符结尾。 来宾操作系统或攻击者无法通过此漏洞向插件推送内容，这可能导致信息泄露、数据篡改、未经授权的代码执行
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-1120
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的空终结符
Source: CVE Program / CVE List V5
Vulnerability Title
Nvidia vGPU Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nvidia vGPU Software是美国Nvidia公司的一个用于为虚拟机提供GPU功能的管理软件。该软件支持多个虚拟机访问主机的GPU，为虚拟机提供图形性能和应用程序兼容性。 NVIDIA vGPU 存在安全漏洞，该漏洞源于 NVIDIA vGPU 软件在 Virtual GPU Manager (vGPU plugin) 中包含一个漏洞，其中 guest OS 提供的字符串可能未正确以空字符结尾。 来宾操作系统或攻击者无法通过此漏洞向插件推送内容，这可能导致信息泄露、数据篡改、未经授权的代码执行
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NVIDIA | NVIDIA Virtual GPU Software | vGPU version 13.x (prior to 13.1), 12.x (prior to 12.4), version 11.x (prior to 11.6) and version 8.x (prior 8.9). | - |
|
II. Public POCs for CVE-2021-1120
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-1120 (1)
-
https://nvidia.custhelp.com/app/answers/detail/a_id/5230 x_refsource_CONFIRM
Same Patch Batch · NVIDIA · 2021-10-29 · 6 CVEs total
| CVE-2021-1118 | 7.8 HIGH | NVIDIA vGPU Software 安全漏洞 |
| CVE-2021-1119 | 7.1 HIGH | Nvidia vGPU Software 资源管理错误漏洞 |
| CVE-2021-1121 | 5.5 MEDIUM | NVIDIA vGPU software 安全漏洞 |
| CVE-2021-1122 | 5.5 MEDIUM | Nvidia vGPU Software 代码问题漏洞 |
| CVE-2021-1123 | 5.5 MEDIUM | Nvidia vGPU Software 安全漏洞 |
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V. Comments for CVE-2021-1120
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