Disclosure timeline
=====================
June 11th: discovered issues.
June 12th: contacted App developer.
June 12th: App developer replies that the new App is not ready yet, but
will not download assets from HTTP.
June 13th: asked how much time it'll take to fix, App developer didn't
respond.
July 2nd: App developer queried again, but failed to respond.
July 8th: App developer got his 3rd notice, but failed to respond.
July 9th: full disclosure.

Technical details
==================
RootExplorer is a rooted Android App aimed to ultimately control file
operations on an Android device.
Unfortunately, RootExplorer tries to download an external busybox from
plain a HTTP website, which might cause rooted remote code execution.

Blogpost
=======
http://securitygodmode.blogspot.com/2016/07/android-attack-surfaces-part-ii.html