CVE-2021-27429: Texas Instruments TI-RTOS Integer Overflow or Wraparound
First published: Mon Nov 20 2023(Updated: )
Texas Instruments TI-RTOS returns a valid pointer to a small buffer on extremely large values. This can trigger an integer overflow vulnerability in 'HeapTrack_alloc' 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
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Reference Links
Frequently Asked Questions
What is CVE-2021-27429?
CVE-2021-27429 is a vulnerability in Texas Instruments TI-RTOS that can trigger an integer overflow vulnerability in 'HeapTrack_alloc' and result in code execution.
What software is affected by CVE-2021-27429?
Texas Instruments TI-RTOS is affected by CVE-2021-27429.
What is the severity of CVE-2021-27429?
CVE-2021-27429 has a severity rating of 7.4 (High).
How can I fix CVE-2021-27429?
To fix CVE-2021-27429, it is recommended to 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-2021-27429?
You can find more information about CVE-2021-27429 on the official website of the Cybersecurity and Infrastructure Security Agency (CISA) and the Texas Instruments website.
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