libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Docker | Docker | * | 1.11.1 (including) |
| Red Hat Enterprise Linux 7 Extras | RedHat | docker-0:1.9.1-40.el7 | * |
| Red Hat Enterprise Linux 7 Extras | RedHat | docker-0:1.10.3-57.el7 | * |
| Docker.io | Ubuntu | wily | * |
| Docker.io | Ubuntu | yakkety | * |
| Runc | Ubuntu | devel | * |
| Runc | Ubuntu | upstream | * |
| Runc | Ubuntu | yakkety | * |
| Runc | Ubuntu | zesty | * |