### [CVE-2015-8660](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8660)
![](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

The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.

### POC

#### Reference
- http://packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- https://www.exploit-db.com/exploits/39166/
- https://www.exploit-db.com/exploits/39230/
- https://www.exploit-db.com/exploits/40688/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/JlSakuya/Linux-Privilege-Escalation-Exploits
- https://github.com/Live-Hack-CVE/CVE-2015-8660
- https://github.com/chorankates/Irked
- https://github.com/nhamle2/CVE-2015-8660
- https://github.com/nhamle2/nhamle2
- https://github.com/substing/mr_robot_ctf
- https://github.com/whu-enjoy/CVE-2015-8660
- https://github.com/whu-enjoy/List
- https://github.com/xyongcn/exploit