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