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CVE-2021-38576

Quick assessment

Affected
n/a EDK II
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.

Tianocore Edk2是Tianocore社区的一个遵循UEFI和PI规范的跨平台固件开发环境。 Tianocore EDK II存在安全漏洞源于特定 PC 型号的固件中的 BIOS 错误将平台授权值留空。这可以用于以多种方式永久地阻止 TPM，以及非永久地 DoS 系统。

AI Predicted 7.5 Difficulty: Easy EPSS 1.17% · P64
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I. Basic Information for CVE-2021-38576

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Tianocore EDK II 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tianocore Edk2是Tianocore社区的一个遵循UEFI和PI规范的跨平台固件开发环境。 Tianocore EDK II存在安全漏洞源于特定 PC 型号的固件中的 BIOS 错误将平台授权值留空。这可以用于以多种方式永久地阻止 TPM，以及非永久地 DoS 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
- EDK II edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808 -

II. Public POCs for CVE-2021-38576

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-38576

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Other References for CVE-2021-38576 (1)

Same Patch Batch · n/a · 2022-01-03 · 11 CVEs total

CVE-2021-44674 Opmantek Open-AudIT 路径遍历漏洞
CVE-2021-45428 Telesquare TLR-2005KSH 安全漏洞
CVE-2021-46109 Asus Rt-Ac52U_B1 跨站脚本漏洞
CVE-2020-23026 Dhrystone 代码问题漏洞
CVE-2021-20147 ZOHO ManageEngine ADSelfService Plus 信息泄露漏洞
CVE-2021-20148 ZOHO ManageEngine ADSelfService Plus 信息泄露漏洞
CVE-2021-37120 Huawei Smartphone 资源管理错误漏洞
CVE-2021-37121 HuaWei Smartphone 安全漏洞
CVE-2021-37110 Huawei HarmonyOS 安全漏洞
CVE-2021-45829 HDF5 安全漏洞

IV. Related Vulnerabilities

Same product: EDK II
Same vendor: n/a

V. Comments for CVE-2021-38576

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