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CVE-2015-8660

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

- http://www.ubuntu.com/usn/USN-2858-3

- 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/cve-scores

- https://github.com/ARPSyndicate/cvemon

- https://github.com/HaxorSecInfec/autoroot.sh

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

- https://github.com/Live-Hack-CVE/CVE-2015-8660

- https://github.com/a-roshbaik/Linux-Privilege-Escalation-Exploits

- https://github.com/carradolly/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/vlain1337/auto-lpe

- https://github.com/whu-enjoy/CVE-2015-8660

- https://github.com/whu-enjoy/List

- https://github.com/xyongcn/exploit