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Re: Legality of WEP Cracking

To: pen-test@securityfocus.com
Subject: Re: Legality of WEP Cracking
From: cwright@bdosyd.com.au
Date: 19 May 2007 22:34:06 -0000
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Hello,
The situation is fairly simple and NOT as some people have deemed, unclear. The 
un-clarity comes from a lack of understanding of the law, not that the law is 
in anyway unclear. There are in most common law western countries a variety of 
statutes that cover these acts at a federal level. 

For clarification, the US, (most of CA), AU, UK, NZ and many other places are 
common law and not Romanic or civil law countries. France is civil law. Now 
that this is clear I will progress.

Wireless interception is covered as electronic interception. Wireless 
communications use electromagnetic waves for transmission. The dissemination of 
electromagnetic waves is legally considered electronic interception of 
electronic communications. Thus is clear. It is decided in case law in a 
variety of countries. 

Mostly this is oldish law going back 20-30 years. The majority of cases at that 
point are due to the interception of Satellite transmissions or to pay 
television through electronic interception.

In § 2511 (Interception and disclosure of wire, oral, or electronic 
communications prohibited) of [1], parts1.b.ii states:

        ?such device transmits communications by radio, or interferes with the 
transmission of such communication?

So this is US Federal law. Forget all the ?my state? bits etc. It is defined 
federally, and federal is all you need to be covered.

Section 2.d of the Act states:
        ?It shall not be unlawful under this chapter for a person not acting 
under colour of law to intercept a wire, oral, or electronic communication 
where such person is a party to the communication or where one of the parties 
to the communication has given prior consent to such interception unless such 
communication is intercepted for the purpose of committing any criminal or 
tortious act in violation of the Constitution or laws of the United States or 
of any State.?

The act even covers cases where a transmission is NOT ?encrypted or scrambled?. 
It is still not legal to intercept it.

Now from the above in 2.d you should note that you can be given prior 
permission. This is from the site or system owner. As such, you can intercept a 
communication on your own site when you are an auditor or network 
administrator. You are exempted under the act as long as you remain acting 
within your authority. If you attack another network which crosses your site ? 
you have no authority.

REMEMBER that this is PRIOR permission. That is BEFORE the act. There can not 
be any permission subsequent to the act.

In Au, we have the Telecommunications (Interception) Act 1979 and the 
TELECOMMUNICATIONS (INTERCEPTION) AMENDMENT BILL 2006. The UK has the 
equivalent as do the majority of other common law (and many civil law) 
countries.

Nothing is unclear about the law. Not knowing it does not make it unclear. 
These are VERY clear laws. The ONLY areas of un-clarity are in tortious 
actions. The un-clarity is how much of a civil penalty will you also get.

There is nothing to stop the owner of the network your intercepted taking 
tortious action. If you have been found guilty or charged with a criminal 
offence ? this makes it easier. 

So the uncertainty is not per se a legal one, but rather that when you go to 
goal, will the aggrieved party also sue you.

So: 
Admin and your own network =ok
Admin and finding another network, but stopping = ok
Admin finding another network and just capturing = asking for trouble
Not admin and no permission = new friends with Bubba

Simple?

Regards,
Craig

[1]
TITLE 18. CRIMES AND CRIMINAL PROCEDURE 
PART I--CRIMES
CHAPTER 119--WIRE AND ELECTRONIC COMMUNICATIONS INTERCEPTION AND INTERCEPTION 
OF ORAL COMMUNICATIONS

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