PT-2024-1257 · Edk2+11 · Edk2+11

Doug Flick · Published 2024-01-16 · Updated 2026-01-21 · CVE-2023-45234

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 the DHCPv6 Advertise Message Handler component of the EDK2 library. This vulnerability can be exploited by an attacker to gain unauthorized access, potentially leading to a loss of confidentiality, integrity, and/or availability. The vulnerability occurs when processing the DNS Servers option from a DHCPv6 Advertise message.

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-2024:1063

ALSA-2024:1075

ALT-PU-2024-14732

ALT-PU-2024-14734

ALT-PU-2024-14950

AZL-38743

AZL-39118

AZL-39451

BDU:2024-00659

CESA-2024_1063

CVE-2023-45234

DLA-4207-1

DSA-5624-1

GHSA-HC6X-CW6P-GJ7H

OESA-2024-1280

OESA-2024-1315

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-2024:1063

RHSA-2024:1075

RHSA-2024:1076

RHSA-2024:1077

RHSA-2024:1305

RHSA-2024:1415

RHSA-2024:1722

RHSA-2024:3497

RHSA-2024_1063

RHSA-2024_1075

RLSA-2024:1063

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

References · 112

• 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/AZL-38743 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4207-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-1075.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-45234 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-45234 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45234 · Security Note
• https://ubuntu.com/security/CVE-2023-45234 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2024-1075.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-48733 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-45231 · Security Note
• https://bdu.fstec.ru/vul/2024-00659 · Security Note
• https://osv.dev/vulnerability/RLSA-2024:1063 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-12343.html · Vendor Advisory