CVE-2023-48229

Out-of-bounds write in the radio driver for Contiki-NG nRF platforms

Severity Score

7.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An out-of-bounds write exists in the driver for IEEE 802.15.4 radios on nRF platforms in the Contiki-NG operating system. The problem is triggered when parsing radio frames in the `read_frame` function in the `arch/cpu/nrf/net/nrf-ieee-driver-arch.c` module. More specifically, the `read_frame` function performs an incomplete validation of the payload length of the packet, which is a value that can be set by an external party that sends radio packets to a Contiki-NG system. Although the value is validated to be in the range of the MTU length, it is not validated to fit into the given buffer into which the packet will be copied. The problem has been patched in the "develop" branch of Contiki-NG and is expected to be included in subsequent releases. Users are advised to update their develop branch or to update to a subsequent release when available. Users unable to upgrade should consider manually applying the changes in PR #2741.

Contiki-NG es un sistema operativo multiplataforma de código abierto para dispositivos IoT de próxima generación. Existe una escritura fuera de los límites en el controlador para radios IEEE 802.15.4 en plataformas nRF en el sistema operativo Contiki-NG. El problema se desencadena al analizar tramas de radio en la función `read_frame` en el módulo `arch/cpu/nrf/net/nrf-ieee-driver-arch.c`. Más específicamente, la función `read_frame` realiza una validación incompleta de la longitud de el payload del paquete, que es un valor que puede establecer una parte externa que envía paquetes de radio a un sistema Contiki-NG. Aunque se valida que el valor esté en el rango de longitud de MTU, no se valida para que quepa en el búfer dado en el que se copiará el paquete. El problema ha sido solucionado en la rama "desarrollo" de Contiki-NG y se espera que se incluya en versiones posteriores. Se recomienda a los usuarios que actualicen su rama de desarrollo o que actualicen a una versión posterior cuando esté disponible. Los usuarios que no puedan actualizar deben considerar aplicar manualmente los cambios en PR #2741.

*Credits: N/A

CVSS Scores

GitHubv3.1 7.0

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-13 CVE Reserved
2024-02-14 CVE Published
2024-02-15 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
https://github.com/contiki-ng/contiki-ng/pull/2741	X_refsource_misc
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-rcwv-xwc9-5hp2	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Contiki-ng Search vendor "Contiki-ng"		Contiki-ng Search vendor "Contiki-ng" for product "Contiki-ng"				<= 4.9 Search vendor "Contiki-ng" for product "Contiki-ng" and version " <= 4.9"		en		Affected