CVE-2022-36765 Integer Overflow in CreateHob

2024-01-0916:10:16

CWE-680

TianoCore

www.cve.org

cve-2022-36765

integer overflow

createhob

edk2

vulnerability

buffer overflow

local network

exploitation

confidentiality

integrity

availability

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

8.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "edk2",
    "vendor": "TianoCore",
    "versions": [
      {
        "lessThanOrEqual": "202311",
        "status": "affected",
        "version": "*",
        "versionType": "Stable"
      }
    ]
  }
]