CVEs-PoC/2021/CVE-2021-30307.md

### [CVE-2021-30307](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30307)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Reachable%20Assertion%20in%20Data%20Modem&color=brighgreen)

### Description

Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV query type in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/january-2022-bulletin

#### Github
No PoCs found on GitHub currently.