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I found Prezi's source code

blog.shubh.am

61–70 of 266 posts

Re: I found Prezi's source code

#61

Dude needs to lawyer up right now. Doing the remote login has been seen as a violation of the CFAA.

Prezi the company is in Hungary, not the US, and intra.prezi.com (70.38.38.86) seems to be in Montreal, Canada.

And the dude in question is in Australia.

None of this happened in the United States at all - it's amazing! Non-Americans also have businesses!

Re: I found Prezi's source code

#62
post #39

Nexus isn't a source code repository. What you found was their internal artifact server, i.e compiled jar files.

Assuming they are building in Java, it's pretty common to publish source JARs to the repository along with the compiled classes.

Re: I found Prezi's source code

#64
post #10

It was out of scope. The rules are pretty clear: http://prezi.com/bugbounty/ and he broke at least two of them. And it seems like he knew it was out of scope when he submitted it too: "I had spent a total of 2 hours sifting and crawling through their services which were in scope , but wanted to see if I could locate any other subdomains..." Now I think Prezi should probably have paid him anyway because that's a prett…

So because it was out of scope it means that it could not have harmed the company so he should have just left it there?

Prezi never claimed they would pay you for anything that harms the company. Their rules are, I think, unusually clear and specific.

Re: I found Prezi's source code

#65
post #59

Why even have a limited scope on bounty programs? (This is not the only time I've seen that.) Is it only to limit payout? Are their legal reasons? For example, their client tablet applications are ineligible. I just don't get the reasoning. In their position, I'd pay him the $500 and remove the idea of scope. I'm just curious if there's some counter-argument I'm not thinking about.

Well of course there have to be rules. Does spear phishing employees email accounts and using their password to access control panels count as a bug? I bet I could hack a lot of companies that way. Does being susceptible to a massive DDoS count as a bug? Cutting power to the building? I can't speak for Prezi, but it seems like they want people to test the security of their app, but not of their employees or back offi…

A simple rule of thumb seems to be is, does it cause a problem if all the bug bounty hunters take the same approach.

Phishing employees, DDoSing definitely cause problems if a large number, or one, of bug bounty hunters take on the approach.

It seems even if all the bug bounty hunters searched for and found http://intra.prezi.com:8081, preformed google searches and tested found logins by hand, no problem would result for prezi.

So it seems like Phishing employees and DDoSing are inherently different then the approach in the post.

Re: I found Prezi's source code

#66
Break the rules, don't get the money. Surprise!!?? After reading the entire email thread, I think Prezi comes out better off than the OP:

Actually we're continuously thinking on your case and struggling on the right move. On one hand, your finding was very useful for us, and we learnt a lesson from it. On the other hand, intra.prezi.com is out of scope, and by using the credentials to log in you violated the terms and conditions of our bounty program.

...

In the past we turned down the bounty request of people finding issues in out-of-scope services. We had a lot internal discussions about your request: if we were about to pay, we couldn't justify our out-of-scope decisions for anyone else.

Re: I found Prezi's source code

#67
post #40

Earlier quoted context omitted.

You're not entitled to a bounty just because you found a bug. Some companies offer these bounties and it's good that they do, but that doesn't mean every company is obliged to offer them, or that a company that offers bounties for some bugs is obliged to offer them for all bugs.

How about a moral obligation? Honestly, it sounds like if a taxi driver returns a bag full of cash to the owner, it is perfectlly alright if they just say "Thank you" and walk him to the road. Legally: nothing wrong, morally: being a greedy asshole.

Frankly if a taxi driver bitched on his blog about someone doing that I'd be saying the same thing. It's nice when someone gives you a reward for doing the right thing. But you shouldn't act like you're entitled to it, because you're not.

Re: I found Prezi's source code

#70
post #21
post #18

Earlier quoted context omitted.

That said, he could have gone "gray-hat" and used the source to find in-scope bugs. Such a resource would be invaluable to an exploit author or bug bounty hunter.

Legally, I don't think there's much "gray" in stealing source code that doesn't belong to you.

How exactly does one "steal" source code, if the original copy still remains with the authors?
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