cve/2015/CVE-2015-3245.md

### [CVE-2015-3245](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3245)
![](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

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

### POC

#### Reference
- https://www.exploit-db.com/exploits/44633/
- https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt

#### Github
- https://github.com/ARGOeu-Metrics/secmon-probes
- https://github.com/ARGOeu/secmon-probes
- https://github.com/ARPSyndicate/cvemon
- https://github.com/joubin/Reddit2PDF