CVEs-PoC/2012/CVE-2012-3440.md

### [CVE-2012-3440](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3440)
![](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

A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

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