title: Infinite loop in EDK II Network Package
description:  EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Availability.
problem types: CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
affected:
{
defaultStatus: unaffected
product: edk2
vendor: TianoCore
versions:
status: affected, version: edk2-stable202308
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL