cve/2013/CVE-2013-1959.md

### [CVE-2013-1959](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1959)
![](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

kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2013/04/29/1

#### Github
- https://github.com/JlSakuya/Linux-Privilege-Escalation-Exploits