cve/2019/CVE-2019-15297.md

### [CVE-2019-15297](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15297)
![](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

res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.

### POC

#### Reference
- http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
- http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
- http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
- http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html

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