PT-2024-1255 · Edk2+12 · Edk2+12

Doug Flick · Published 2024-01-16 · Updated 2026-01-21 · CVE-2023-45235

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions EDK2 (affected versions not specified)

Description The issue is related to a buffer overflow vulnerability in EDK2's Network Package when handling the Server ID option from a DHCPv6 proxy Advertise message. This can be exploited by an attacker to gain unauthorized access, potentially leading to a loss of Confidentiality, Integrity, and/or Availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

ALSA-2024:2264

ALSA-2024:3017

ALT-PU-2024-14732

ALT-PU-2024-14734

ALT-PU-2024-14950

AZL-39064

AZL-39319

AZL-39490

BDU:2024-00657

CESA-2024_3017

CVE-2023-45235

DLA-4207-1

DSA-5624-1

GHSA-HC6X-CW6P-GJ7H

INFSA-2024_2264

INFSA-2024_3017

OESA-2024-1314

OESA-2024-1315

OESA-2024-1316

OESA-2024-1317

OESA-2024-1318

OESA-2024-1319

OPENSUSE-SU-2024:14199-1

OPENSUSE-SU-2025_0407-1

OPENSUSE-SU-2025_0421-1

OPENSUSE-SU-2025_0503-1

OPENSUSE-SU-2025_0752-1

RHSA-2024:2264

RHSA-2024:3017

RHSA-2024:4419

RHSA-2024:6845

RHSA-2024:6849

RHSA-2024:6931

RHSA-2024:8449

RHSA-2024:8455

RHSA-2024_2264

RHSA-2024_3017

RLSA-2024:2264

SUSE-SU-2025:0407-1

SUSE-SU-2025:0421-1

SUSE-SU-2025:0503-1

SUSE-SU-2025:0752-1

SUSE-SU-2025_0421-1

SUSE-SU-2025_0503-1

SUSE-SU-2026:0196-1

USN-6638-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Edk2

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

Zvirt Node

References · 142

• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45232 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4207-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45234 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-45235 · Security Note
• https://ubuntu.com/security/CVE-2023-45234 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-48733 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45231 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-45235 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-12343.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45233 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-23120.html · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2024-1315 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2024-3017.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-20865.html · Vendor Advisory