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CVE-2021-28211

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.

SUSE ovmf是德国SUSE公司的一个固件。用于为UEFI支持虚拟机。 SUSE ovmf 存在缓冲区错误漏洞，该漏洞源于堆损坏。

AI Predicted 8.6 Difficulty: Moderate EPSS 0.39% · P30

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-28211

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE ovmf 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE ovmf是德国SUSE公司的一个固件。用于为UEFI支持虚拟机。 SUSE ovmf 存在缓冲区错误漏洞，该漏洞源于堆损坏。
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 edk2-stable202008 -

II. Public POCs for CVE-2021-28211

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-28211

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Other References for CVE-2021-28211 (1)

Same Patch Batch · TianoCore · 2021-06-11 · 3 CVEs total

CVE-2021-28210 SUSE ovmf 安全漏洞
CVE-2021-28213 TianoCore EDK2 加密问题漏洞

IV. Related Vulnerabilities

Same product: EDK II
Same vendor: TianoCore
Same weakness: CWE-122

V. Comments for CVE-2021-28211

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