CVE-2024-42040

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-42040
Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of memory stored behind the packet to the network depending on the later use of DHCP-provided parameters via crafted DHCP responses.

8.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/u-boot/u-boot/tags Release Notes
https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt Mitigation Third Party Advisory
http://seclists.org/fulldisclosure/2024/Aug/38 Mailing List Mitigation Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
History

03 Apr 2026, 17:17

Type Values Removed Values Added
References () https://github.com/u-boot/u-boot/tags - () https://github.com/u-boot/u-boot/tags - Release Notes
References () https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt - () https://www.schutzwerk.com/advisories/SCHUTZWERK-SA-2024-004.txt - Mitigation, Third Party Advisory
References () http://seclists.org/fulldisclosure/2024/Aug/38 - () http://seclists.org/fulldisclosure/2024/Aug/38 - Mailing List, Mitigation, Third Party Advisory
CPE cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
First Time Denx u-boot
Denx

21 Nov 2024, 09:33

Type Values Removed Values Added
References
  • () http://seclists.org/fulldisclosure/2024/Aug/38 -
Summary
  • (es) Vulnerabilidad de desbordamiento de búfer en net/bootp.c en DENEX U-Boot desde su confirmación inicial en 2002 (3861aa5) hasta hoy en cualquier plataforma permite a un atacante en la red local perder memoria de cuatro a 32 bytes de memoria almacenados detrás el paquete a la red dependiendo del uso posterior de los parámetros proporcionados por DHCP a través de respuestas DHCP manipuladas.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.1
CWE CWE-120

23 Aug 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-08-23 15:15

Updated : 2026-04-03 17:17

NVD link : CVE-2024-42040

Mitre link : CVE-2024-42040

CVE.ORG link : CVE-2024-42040

JSON object : View

Products Affected

denx

  • u-boot
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')