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CVE-2021-38575

Quick assessment

Affected
TianoCore 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 edk2存在缓冲区错误漏洞，该漏洞源于NetworkPkg/IScsiDxe 中的 IScsiHexToBin() 函数存在边界错误。能够将数据注入 edk2 和 iSCSI 目标之间的通信的远程攻击者可以在目标系统上执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 1.99% · P80

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38575

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区下溢
Source: CVE Program / CVE List V5
Vulnerability Title
Tianocore Edk2 缓冲区错误漏洞
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 edk2存在缓冲区错误漏洞，该漏洞源于NetworkPkg/IScsiDxe 中的 IScsiHexToBin() 函数存在边界错误。能够将数据注入 edk2 和 iSCSI 目标之间的通信的远程攻击者可以在目标系统上执行任意代码。
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
TianoCore EDK II unspecified ~ edk2-stable202105 -

II. Public POCs for CVE-2021-38575

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-38575

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Other References for CVE-2021-38575 (2)

IV. Related Vulnerabilities

Same product: EDK II
Same vendor: TianoCore
Same weakness: CWE-124

V. Comments for CVE-2021-38575

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