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Date: Thu, 15 May 2014 14:18:25 -0400
From: Keith I Myers <keithiokepamyers@...il.com>
To: Michael Wisniewski <wiz561@...il.com>
Cc: fulldisclosure@...lists.org
Subject: Re: [FD] AirDroid Lock Screen Bypass

Good Morning,
Although this is not something that I would personally call a
vulnerability, I can see your reason for concern. In order for an attacker
to successfully exploit this, they would not only have to gain access to
your physical phone but also gain access to your Airdroid account.

You have 2 options if you want to eliminate this concern.
1) Revoke "Device Administrator" access to AirDroid. This can be done in
the Android Settings > Security > Device Administrator menu.
2) Set AirDroid not to prompt you for remote access.

On Thu, May 15, 2014 at 9:16 AM, Michael Wisniewski <wiz561@...il.com>wrote:

> All,
>
> I'm running AirDroid v2.1.0 on CleanROM 8.1 Core Edition.  On my phone
> (Galaxy S3), I have a pattern lock screen enabled.
>
> Vulnerability: When running AirDroid in the background and the phone
> locks, you can use a web browser to connect to the phone.  On the
> phone, you get the usual pop-up box that asks you to accept/reject the
> request to connect.  If you accept the connection request, the web
> browser will be granted full access to the phone, without having to
> unlock it!  You can also configure AirDroid to not ask for
> confirmation.  It's also unknown if it listens on the cell interface
> or just the wifi interface.
>
> Risk: The risk is that by running this program, a malicious user can
> have access to the phone without having to go through the screen
> unlock.
>
> Vendor Contact: I contacted AirDroid through their web page about two
> weeks ago and haven't heard any response from them yet.
>
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-- 

Keith Myers
Mobile : (305) 929-3475
EMail : KeithIokepaMyers@...il.com

+Keith I Myers <http://plus.kmyers.me>

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