cve/2023/CVE-2023-32067.md

### [CVE-2023-32067](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32067)
![](https://img.shields.io/static/v1?label=Product&message=c-ares&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%201.19.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400%3A%20Uncontrolled%20Resource%20Consumption&color=brighgreen)

### Description

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds