cve/2016/CVE-2016-7429.md

### [CVE-2016-7429](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7429)
![](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

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

### POC

#### Reference
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://www.kb.cert.org/vuls/id/633847

#### Github
- https://github.com/ARPSyndicate/cvemon