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osvGoogleOSV:CVE-2023-45235
HistoryJan 16, 2024 - 4:15 p.m.

CVE-2023-45235

2024-01-1616:15:12
Google
osv.dev
18
edk2
network package
buffer overflow
dhcpv6
proxy advertise
unauthorized access
confidentiality
integrity
availability

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.005

Percentile

76.7%

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.

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.005

Percentile

76.7%