### [CVE-2019-19272](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19272) ![](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 An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cvemon - https://github.com/DButter/whitehat_public - https://github.com/Dokukin1/Metasploitable - https://github.com/Iknowmyname/Nmap-Scans-M2 - https://github.com/NikulinMS/13-01-hw - https://github.com/Zhivarev/13-01-hw - https://github.com/firatesatoglu/shodanSearch - https://github.com/smabramov/Vulnerabilities-and-attacks-on-information-systems - https://github.com/vshaliii/Funbox2-rookie - https://github.com/zzzWTF/db-13-01