cve/2016/CVE-2016-4953.md

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2024-05-26 14:27:05 +02:00
### [CVE-2016-4953](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4953)
![](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
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.
### POC
#### Reference
- http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html
- http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
#### Github
No PoCs found on GitHub currently.