CVE-2023-45235 Buffer Overflow in EDK II Network Package

2024-01-1616:11:41

CWE-119

TianoCore

www.cve.org

cve-2023-45235

buffer overflow

edk ii

network package

dhcpv6

proxy advertise

unauthorized access

confidentiality

integrity

availability

CVSS3

8.3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.001

Percentile

20.1%

JSON

EDK2’s Network Package is susceptible to a buffer overflow vulnerability when

handling Server ID option

from a DHCPv6 proxy Advertise message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "edk2",
    "vendor": "TianoCore",
    "versions": [
      {
        "status": "affected",
        "version": "edk2-stable202308"
      }
    ]
  }
]