Just An Application

July 14, 2013

The Great Android Security Hole Of ’08 ? – Part Four: What Exactly Is/Was The Problem ?

Given any APK it is possible to create a new one which is identical to the original except that it contains a second version of one of the members of the original.

This new APK can be installed successfully on a device running the Andoid Runtime without the bug fix and the runtime will use the second version of the member in the APK rather than the first.

For the moment it is left as an exercise for the reader to deduce, using their skill and judgement, which member of the APK it might be.


Copyright (c) 2013 By Simon Lewis. All Rights Reserved.

Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and owner Simon Lewis is strictly prohibited.

Excerpts and links may be used, provided that full and clear credit is given to Simon Lewis and justanapplication.wordpress.com with appropriate and specific direction to the original content.

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