cve/2007/CVE-2007-4138.md

### [CVE-2007-4138](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4138)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The Winbind nss_info extension (nsswitch/idmap_ad.c) in idmap_ad.so in Samba 3.0.25 through 3.0.25c, when the "winbind nss info" option is set to rfc2307 or sfu, grants all local users the privileges of gid 0 when the (1) RFC2307 or (2) Services for UNIX (SFU) primary group attribute is not defined.

### POC

#### Reference
- http://securityreason.com/securityalert/3135

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