### [CVE-2007-2297](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2297)
![](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

The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).

### POC

#### Reference
- http://securityreason.com/securityalert/2644

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