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[Q] [SECURITY] writing path to uevent_helper not work anymore in Android4.4.2 ?

10th June 2014, 03:49 PM   |  #1  
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I found a world wide write vulnerability in a new model of Huawei. (Android 4.4.2)
And successfully write a path "/data/local/tmp/" to /sys/kernel/uevent_helper

Here is the problem, after I write the path to uevent_helper,nothing happened.
I mean,the device should run "/data/local/tmp/" ,but it didn't.

I've tried toggle bluetooth,wifi etc. still nothing happened.
I'm sure I didn't miss the "chmod 777 /data/local/tmp/" part.

did I miss something or the uevent_helper trick just dosen't work in Android 4.4.2 now ?
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