Wednesday, October 7, 2015

Loophole in Google Cloud Messaging (GCM) topic

When implementing an Android app that uses GCM topic messaging, I found that there is a risk of DoS attack on it.  And seems that Google engineers are aware of it.

A potential attack could render the app not able to receive broadcast messages from servers. The only solution will require developers to release a new version of the app using a new GCM sender ID.

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