title: Integer Overflow in CreateHob
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.
problem types:  CWE-680: Integer Overflow to Buffer Overflow
affected:
{
defaultStatus: unaffected
product: edk2
vendor: TianoCore
versions:
lessThanOrEqual: 202311, status: affected, version: *, versionType: Stable
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7
baseSeverity: HIGH
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL