PT-2024-5458 · Nuvoton · Nuvoton Npcm7Xx Bmc Subsystem

Ferdinand Nölscher · CVE-2024-38433 · Published 2024-06-16 · Updated 2024-07-15

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nuvoton NPCM7xx BMC subsystem (affected versions not specified)

Description The issue is related to an authentication bypass weakness in the Nuvoton BootBlock reference code used in the Nuvoton NPCM7xx BMC subsystem. An attacker with write access to the SPI-Flash can modify the u-boot image header, potentially leading to arbitrary code execution.

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

Improper Authentication

Weakness Enumeration

CWE-287

CWE-305

Related Identifiers

BDU:2024-06107

CVE-2024-38433

Affected Products

Nuvoton Npcm7Xx Bmc Subsystem

References · 13

• https://osv.dev/vulnerability/CVE-2024-38433 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-38433 · Security Note
• https://bdu.fstec.ru/vul/2024-06107 · Security Note
• https://github.com/Nuvoton-Israel/bootblock · Note
• https://gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0&CVE=CVE-2024-38433 · Note
• https://t.me/cvenotify/85788 · Telegram Post
• https://nuvoton.com/products/cloud-computing/ibmc · Note
• https://t.me/cvenotify/86250 · Telegram Post
• https://vuldb.com/?id.271148 · Note
• https://t.me/cvedetector/646 · Telegram Post
• https://gov.il/en/Departments/faq/cve_advisories · Note
• https://twitter.com/CVEnew/status/1811322642617815274 · Twitter Post
• https://gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0&CVE=CVE-2024-38433 · Note