Make sure you give at least 512MB of RAM to the VM!
This exercise covers the exploitation of a session injection in the Play framework. This issue can be used to tamper with the content of the session while bypassing the signing mechanism
The ISO for this exercise can be downloaded by clicking here (280MB).
You can access the course for this exercise by clicking here
More details on how to access the online version of this exercise can be found here
More details on how to access the videos for this exercise can be found here