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osvGoogleOSV:CVE-2023-45234
HistoryJan 16, 2024 - 4:15 p.m.

CVE-2023-45234

2024-01-1616:15:12
Google
osv.dev
5
edk2
network package
buffer overflow
dhcpv6
advertise message
unauthorized access
data security

8.8 High

CVSS3

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

9.1 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.4%

EDK2’s Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 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.

8.8 High

CVSS3

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

9.1 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.4%