CVE-2020-13603: Integer Overflow in memory allocating functions

Q: What is CVE-2020-13603?

CVE-2020-13603 is a vulnerability in Zephyr versions >= 1.14.2 and >= 2.4.0 that involves an integer overflow in memory allocating functions.

Published May 24, 2021

Updated

Integer Overflow in memory allocating functions. Zephyr versions >= 1.14.2, >= 2.4.0 contain Integer Overflow or Wraparound (CWE-190). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94vp-8gc2-rm45

Affected Software

31 affected components

zephyrproject zephyr<=1.14.2

zephyrproject zephyr>=2.0.0<=2.2.0

Multiple Amazon FreeRTOS, Version 10.4.1

Multiple Apache Nuttx OS, Version 9.1.0

Multiple ARM CMSIS-RTOS2, versions prior to 2.1.3

Multiple ARM Mbed OS, Version 6.3.0

Multiple ARM mbed-ualloc, Version 1.3.0

Multiple BlackBerry QNX SDP Versions 6.5.0 SP1 and earlier

Multiple BlackBerry QNX OS for Safety Versions 1.0.1 and earlier safety products compliant with IEC 61508 and/or ISO 26262

Multiple BlackBerry QNX OS for Medical Versions 1.1 and earlier safety products compliant with IEC 62304 A full list of affected QNX products and versions is available here

Multiple A full list of affected QNX products and versions is available here

Multiple Cesanta Software Mongoose OS, v2.17.0

Multiple eCosCentric eCosPro RTOS, Versions 2.0.1 through 4.5.3

Multiple Google Cloud IoT Device SDK, Version 1.0.2

Multiple Media Tek LinkIt SDK, versions prior to 4.6.1

Multiple Micrium OS, Versions 5.10.1 and prior

Multiple Micrium uC/OS: uC/LIB Versions 1.38.xx, Version 1.39.00

Multiple NXP MCUXpresso SDK, versions prior to 2.8.2

Multiple NXP MQX, Versions 5.1 and prior

Multiple Redhat newlib, versions prior to 4.0.0

Multiple RIOT OS, Version 2020.01.1

Multiple Samsung Tizen RT RTOS, versions prior 3.0.GBB

Multiple TencentOS-tiny, Version 3.1.0

Multiple Texas Instruments CC32XX, versions prior to 4.40.00.07

Multiple Texas Instruments SimpleLink MSP432E4XX

Multiple Texas Instruments SimpleLink-CC13XX, versions prior to 4.40.00

Multiple Texas Instruments SimpleLink-CC26XX, versions prior to 4.40.00

Multiple Texas Instruments SimpleLink-CC32XX, versions prior to 4.10.03

Multiple Uclibc-NG, versions prior to 1.0.36

Multiple Windriver VxWorks, prior to 7.0

Multiple Zephyr Project RTOS, versions prior to 2.5

Event History

May 24, 2021

CVE Published

via MITRE·09:40 PM

Data Sourced

via MITRE·09:40 PM

DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

ICSA-21-119-04

Frequently Asked Questions

What is CVE-2020-13603?

CVE-2020-13603 is a vulnerability in Zephyr versions >= 1.14.2 and >= 2.4.0 that involves an integer overflow in memory allocating functions.

How severe is CVE-2020-13603?

CVE-2020-13603 has a severity rating of 7.8 (high).

What is the impact of CVE-2020-13603?

CVE-2020-13603 can cause an integer overflow or wraparound, which can lead to memory corruption, crashes, or other unpredictable behavior.

Which software versions are affected by CVE-2020-13603?

Zephyr versions >= 1.14.2 and >= 2.4.0 are affected by CVE-2020-13603.

How can I fix CVE-2020-13603?

To fix CVE-2020-13603, update to a version of Zephyr that is not vulnerable, such as version 2.4.1 or higher.