### [CVE-2021-3671](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671) ![](https://img.shields.io/static/v1?label=Product&message=Samba&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-476&color=brighgreen) ### Description A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cvemon - https://github.com/dispera/giant-squid