CVEs-PoC/2021/CVE-2021-27421.md

### [CVE-2021-27421](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27421)
![](https://img.shields.io/static/v1?label=Product&message=MCUXpresso%20SDK&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-190%20Integer%20Overflow%20or%20Wraparound&color=brightgreen)

### Description

NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/URSec/Randezvous