cve/2017/CVE-2017-11104.md

### [CVE-2017-11104](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11104)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/gladiopeace/awesome-stars
- https://github.com/saaph/CVE-2017-3143