CVE-2021-27425: Cesanta Software Mongoose-OS Integer Overflow or Wraparound
First published: Tue May 03 2022(Updated: )
Cesanta Software Mongoose-OS v2.17.0 is vulnerable to integer wrap-around in function mm_malloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mongoose OS | =2.17.0 | |
| 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
Cesanta Software Mongoose update available
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Reference Links
Frequently Asked Questions
What is CVE-2021-27425?
CVE-2021-27425 is a vulnerability in Cesanta Software Mongoose-OS v2.17.0 that allows for integer wrap-around in the function mm_malloc, leading to arbitrary memory allocation and potential remote code injection/execution.
How severe is CVE-2021-27425?
CVE-2021-27425 has a severity rating of 9.8, which is considered critical.
How can the CVE-2021-27425 vulnerability be exploited?
The CVE-2021-27425 vulnerability can be exploited by triggering the integer wrap-around in the mm_malloc function, allowing for arbitrary memory allocation and potential remote code injection or execution.
What software versions are affected by CVE-2021-27425?
CVE-2021-27425 affects Mongoose-OS version 2.17.0.
Are there any mitigations for CVE-2021-27425?
Currently, there are no known mitigations for CVE-2021-27425. It is recommended to update to a patched version of Mongoose-OS when available.
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