CVE-2021-22636: Texas Instruments TI-RTOS Integer Overflow or Wraparound
First published: Mon Nov 20 2023(Updated: )
Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Ti Real-time Operating System | ||
| Any of | ||
| TI CC3200 Firmware | ||
| TI CC3220R | ||
| TI CC3220R | ||
| Texas Instruments CC3220SF | ||
| TI CC3230S | ||
| TI CC3230S | ||
| TI CC3235SF | ||
| TI CC3235SF | ||
| Ti SimpleLink CC13x0 Software Development Kit | <4.40.00 | |
| Ti SimpleLink CC26xx Software Development Kit | <4.40.00 | |
| Ti Simplelink CC32XX Software Development Kit | <4.10.03 | |
| Texas Instruments SimpleLink MSP432E401Y | ||
| Texas Instruments SimpleLink MSP432E4 SDK | ||
| Amazon FreeRTOS | ||
| Apache NuttX | ||
| ARM CMSIS-RTOS2 | ||
| Arm Mbed OS | ||
| Arm Mbed ualloc | ||
| QNX | ||
| BlackBerry QNX OS for Safety | ||
| BlackBerry QNX OS for Medical | ||
| QNX | ||
| Mongoose OS | ||
| eCosCentric eCosPro RTOS | ||
| Google Cloud IoT Device SDK | ||
| MediaTek LinkIt SDK | ||
| Micrium OS | ||
| Micrium uC/OS | ||
| NXP MCUXpresso SDK | ||
| NXP MQX | ||
| newlib | ||
| RIOT OS | ||
| Samsung Tizen RT | ||
| TencentOS-tiny | ||
| Texas Instruments SimpleLink CC32XX | ||
| Texas Instruments SimpleLink MSP432E4 SDK | ||
| Texas Instruments SimpleLink CC13X2 SDK | ||
| Texas Instruments SimpleLink CC26XX | ||
| Texas Instruments SimpleLink CC32XX | ||
| uClibc | ||
| Wind River VxWorks | ||
| Zephyr Project RTOS |
Remedy
Texas Instruments CC32XX – Update to v4.40.00.07 Texas Instruments SimpleLink CC13X0 – Update to v4.10.03 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html Texas Instruments SimpleLink CC13X2-CC26X2 – Update to v4.40.00 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html Texas Instruments SimpleLink CC2640R2 – Update to v4.40.00 https://www.ti.com/technologies/security/report-product-security-vulnerabilities.html Texas Instruments SimpleLink MSP432E4 – Confirmed. No update currently planned
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-22636?
CVE-2021-22636 is a vulnerability in Texas Instruments TI-RTOS that can result in code execution due to an integer overflow vulnerability in 'HeapMem_allocUnprotected'.
How does CVE-2021-22636 affect Texas Instruments TI-RTOS?
CVE-2021-22636 affects Texas Instruments TI-RTOS when configured to use the HeapMem heap.
What is the severity of CVE-2021-22636?
CVE-2021-22636 has a severity level of 7.4 (High).
How can CVE-2021-22636 be fixed?
To fix CVE-2021-22636, users should update to the latest version of Texas Instruments TI-RTOS and apply any patches or security updates provided by the vendor.
Where can I find more information about CVE-2021-22636?
More information about CVE-2021-22636 can be found on the CISA website and the Texas Instruments website.
- agent/type
- agent/first-publish-date
- agent/author
- agent/remedy
- agent/severity
- agent/weakness
- agent/title
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- vendor/ti
- canonical/ti real-time operating system
- canonical/ti cc3200 firmware
- canonical/ti cc3220r
- canonical/texas instruments cc3220sf
- canonical/ti cc3230s
- canonical/ti cc3235sf
- canonical/ti simplelink cc13x0 software development kit
- canonical/ti simplelink cc26xx software development kit
- canonical/ti simplelink cc32xx software development kit
- canonical/texas instruments simplelink msp432e401y
- canonical/texas instruments simplelink msp432e4 sdk
- vendor/multiple
- canonical/amazon freertos
- canonical/apache nuttx
- canonical/arm cmsis-rtos2
- canonical/arm mbed os
- canonical/arm mbed ualloc
- canonical/qnx
- canonical/blackberry qnx os for safety
- canonical/blackberry qnx os for medical
- canonical/mongoose os
- canonical/ecoscentric ecospro rtos
- canonical/google cloud iot device sdk
- canonical/mediatek linkit sdk
- canonical/micrium os
- canonical/micrium uc/os
- canonical/nxp mcuxpresso sdk
- canonical/nxp mqx
- canonical/newlib
- canonical/riot os
- canonical/samsung tizen rt
- canonical/tencentos-tiny
- canonical/texas instruments simplelink cc32xx
- canonical/texas instruments simplelink cc13x2 sdk
- canonical/texas instruments simplelink cc26xx
- canonical/uclibc
- canonical/wind river vxworks
- canonical/zephyr project rtos