### [CVE-2021-3675](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3675)
![](https://img.shields.io/static/v1?label=Product&message=Synaptics%20Fingerprint%20Driver&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=5.1.xxx.26%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.2.2xx.26%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.2.3xx.26%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.2.xxxx.26%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.3.xxxx.26%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.5.xx.1058%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.5.xx.1102%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5.5.xx.1116%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.xx.1104%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.xx.1108%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.0.xx.1111%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%20Improper%20Input%20Validation&color=brightgreen)

### Description

Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/CyberSecAI/cve_info_refs_crawler
- https://github.com/CyberSecAI/cve_reference_link_crawler