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CVE-2022-36765— Integer Overflow in CreateHob

Quick assessment

Affected
TianoCore edk2
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.

EDK2是Tianocore社区的一套基于UEFI和PI规范的跨平台固件开发环境。 EDK2 202311及之前版本存在安全漏洞，该漏洞源于CreateHob（）函数存在缓冲区溢出漏洞。

CVSS 7.0 · High EPSS 0.29% · P20
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I. Basic Information for CVE-2022-36765

Vulnerability Information
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Vulnerability Title
Integer Overflow in CreateHob
Source: CVE Program / CVE List V5
Vulnerability Description
EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出导致缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
EDK2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EDK2是Tianocore社区的一套基于UEFI和PI规范的跨平台固件开发环境。 EDK2 202311及之前版本存在安全漏洞，该漏洞源于CreateHob（）函数存在缓冲区溢出漏洞。
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 edk2 * ~ 202311 -

II. Public POCs for CVE-2022-36765

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III. Intelligence Information for CVE-2022-36765

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Vendor Advisories for CVE-2022-36765 (1)

Mailing List Discussions for CVE-2022-36765 (1)

Same Patch Batch · TianoCore · 2024-01-09 · 3 CVEs total

CVE-2022-36763 7.0 HIGH Heap Buffer Overflow in Tcg2MeasureGptTable
CVE-2022-36764 7.0 HIGH Heap Buffer Overflow in Tcg2MeasurePeImage

IV. Related Vulnerabilities

Same product: edk2
Same vendor: TianoCore
Same weakness: CWE-680

V. Comments for CVE-2022-36765

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