cve/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=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### 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.
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00			`### [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)`
Update CVE list 2025-09-29 21:09 2025-09-29 21:09:30 +02:00			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)`
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00
			`### 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.`