### [CVE-2015-1821](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1821)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

#### Github
No PoCs found on GitHub currently.