cve/2023/CVE-2023-38502.md

### [CVE-2023-38502](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38502)
![](https://img.shields.io/static/v1?label=Product&message=TDengine&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%203.0.7.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%3A%20Improper%20Input%20Validation&color=brighgreen)

### Description

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue.

### POC

#### Reference
- https://github.com/taosdata/TDengine/security/advisories/GHSA-w23f-r2fm-27hf

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