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CVE-2021-34404

Quick assessment

Affected
NVIDIA SHIELD TV
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 NVIDIA Shield TV是美国英伟达（Nvidia）公司的一款流媒体播放器。 NVIDIA SHIELD TV 存在权限许可和访问控制问题漏洞，该漏洞源于未能限制 BROM 中的 AHB-DMA 访问，与 NVIDIA 提供的 T210 的 Android 映像一起分发。 对设备具有物理访问权限的攻击者执行超出 BROM 安全范围的任意操作。该漏洞允许攻击者破坏受影响的系统。

CVSS 7.1 · High EPSS 0.21% · P12
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I. Basic Information for CVE-2021-34404

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Android images for T210 provided by NVIDIA contain a vulnerability in BROM, where failure to limit access to AHB-DMA when BROM fails may allow an unprivileged attacker with physical access to cause denial of service or impact integrity and confidentiality beyond the security scope of BROM.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA SHIELD TV 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nvidia NVIDIA Shield TV是美国英伟达（Nvidia）公司的一款流媒体播放器。 NVIDIA SHIELD TV 存在权限许可和访问控制问题漏洞，该漏洞源于未能限制 BROM 中的 AHB-DMA 访问，与 NVIDIA 提供的 T210 的 Android 映像一起分发。 对设备具有物理访问权限的攻击者执行超出 BROM 安全范围的任意操作。该漏洞允许攻击者破坏受影响的系统。
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 SHIELD TV All versions prior to SE 9.0 -

II. Public POCs for CVE-2021-34404

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III. Intelligence Information for CVE-2021-34404

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Other References for CVE-2021-34404 (1)

Same Patch Batch · NVIDIA · 2022-01-18 · 6 CVEs total

CVE-2021-34401 7.8 HIGH Nvidia NVIDIA Shield TV 访问控制错误漏洞
CVE-2021-34403 7.8 HIGH NVIDIA Shield TV 资源管理错误漏洞
CVE-2021-34402 6.7 MEDIUM Nvidia NVIDIA Shield TV 缓冲区错误漏洞
CVE-2021-34405 5.5 MEDIUM NVIDIA Shield TV 代码问题漏洞
CVE-2021-34406 4.7 MEDIUM NVIDIA SHIELD TV 代码问题漏洞

IV. Related Vulnerabilities

Same product: SHIELD TV
Same vendor: NVIDIA

V. Comments for CVE-2021-34404

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