### [CVE-2009-0845](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0845)
![](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 spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.

### POC

#### Reference
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt

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