PT-2024-3511 · Amd · Amdpspp2Cmboxv2

Published 2024-04-17 · Updated 2025-01-17 · CVE-2023-52712

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AmdPspP2CmboxV2 (affected versions not specified)

Description The issue is related to an exposed SMI handler in AmdPspP2CmboxV2, which can be leveraged to bypass protections put in place by previous UEFI phases, allowing direct access to the SPI flash. Additionally, it can be used to leak and corrupt SMM memory, potentially leading to code execution in SMM. The vulnerability is associated with incorrect access control to the SMI handler interface, allowing an attacker to gain unauthorized access to arbitrary functions.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2024-03813

CVE-2023-52712

Affected Products

Amdpspp2Cmboxv2

References · 6

• https://osv.dev/vulnerability/CVE-2023-52712 · Vendor Advisory
• https://huawei.com/en/psirt/security-advisories/2024/huawei-sa-iiacviahpp-71ce77ee-en · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-03813 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52712 · Security Note
• https://cybersecurity-help.cz/vdb/SB20240417116 · Note
• https://t.me/cvenotify/81114 · Telegram Post