attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux confinement by mounting a proc filesystem with a crafted (1) AppArmor profile or (2) SELinux label.
{
"binaries": [
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "liblxc1"
},
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "lxc"
},
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "lxc-dev"
},
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "lxc-templates"
},
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "lxc-tests"
},
{
"binary_version": "1.0.7-0ubuntu0.2",
"binary_name": "python3-lxc"
}
],
"availability": "No subscription required"
}