cve/2017/CVE-2017-15120.md

### [CVE-2017-15120](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15120)
![](https://img.shields.io/static/v1?label=Product&message=pdns-recursor&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-476&color=brighgreen)

### Description

An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/shutingrz/CVE-2017-15120_PoC