Docker Engine before 1.6.1 uses weak permissions for (1) /proc/asound, (2) /proc/timer_stats, (3) /proc/latency_stats, and (4) /proc/fs, which allows local users to modify the host, obtain sensitive information, and perform protocol downgrade attacks via a crafted image.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Docker | Docker | * | 1.6 (including) |
| Red Hat Enterprise Linux 7 Extras | RedHat | docker-0:1.6.2-14.el7 | * |
| Docker.io | Ubuntu | esm-infra/xenial | * |
| Docker.io | Ubuntu | trusty | * |
| Docker.io | Ubuntu | upstream | * |
| Docker.io | Ubuntu | utopic | * |
| Docker.io | Ubuntu | vivid | * |
| Docker.io | Ubuntu | wily | * |
| Docker.io | Ubuntu | xenial | * |
| Docker.io | Ubuntu | yakkety | * |
References
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
- http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
- http://seclists.org/fulldisclosure/2015/May/28
- http://www.securityfocus.com/bid/74566
- https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
- http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
- http://seclists.org/fulldisclosure/2015/May/28
- http://www.securityfocus.com/bid/74566
- https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ