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PS3 Hackers Address Potential PSN Security Issues and Bans


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177w ago - Yesterday Sony addressed PS3 circumvention devices, piracy and PSN bans and today PS3 hackers SKFU among others via [Register or Login to view links] have reported on potential security risks for PlayStation Network users.

To quote: While I read about the big ban tsunami and interesting papers like [Register or Login to view links] ([Register or Login to view links]). I gone through a funny theory, I won't publish any details tho:

1) The bans are based on the users' account and console ID's.

2) We can modify all traffic sent and received by the PlayStation 3

What if some skiddies start to modify their sent traffic to appear as another user and use backups?

The PSN servers would recognize the TOS violation and check the online user database for known connections based on the ID's. The user and his consoles who really owns the ID's would be banned.

Even a simple Windows application which goes through ALL ID's may be possible. 24 hours and any console worldwide would be banned. This should definitely be double-checked by SONY.

From Ars (linked above) to quote: "A document written by the hackers has clarified what they did and what privacy and security risks they believe the PlayStation 3 poses. The PS3's connection to PSN is protected by SSL. As is common to SSL implementations, the identity of the remote server is verified using a list of certificates stored on each PS3. The credit card and other information is sent over this SSL connection. So far so good; this is all safe, and your web browser depends on the same mechanisms for online purchases.

The concern raised by the hackers is that custom firmwares could subvert this system. A custom firmware can include custom certificates in its trusted list. It can also use custom DNS servers. This raises the prospect of a malicious entity operating his own proxies to snaffle sensitive data. He would distribute a custom firmware that had a certificate corresponding to his proxy, and that used a DNS server that directed PSN connections to the proxy. His proxy would decrypt the data sent to it, and then re-encrypt it and forward it to the real PSN servers.

Such a scheme would be transparent to PSN users (except for any potential performance reduction caused by the proxying), and would give the attacker access to all the information that the PS3 sends to Sony. This information is shown to be extensive, but apart from the credit card data, probably not too sensitive or unreasonable.

As flaws go, the risks here are not substantial. There is no generalized ability for hackers to grab credit cards from PSN users; only those using specially devised custom firmwares would be at risk. Essentially the same risk could be faced by anyone downloading a pirated version of Windows: extra certificates could be added to those normally trusted, along with suitable DNS entries, to allow interception of any traffic destined for, say, amazon.com. In practice, the risk of either of these is slight, and in any case, trivially avoided: don't use custom firmware.

The original story is below, but note that the claims originally made by the hacker quoted in the article are unsubstantiated.

Sony has officially stated that anyone using hacked firmware or any sort of circumvention technology will have their console banned for life from the PlayStation Network, but how does the company know when such a console logs in? One person claims to have broken into the PlayStation Network, and what he has found is rather shocking. If his findings are accurate, your credit card information is being sent to Sony as an unencrypted text file, and Sony is watching every single thing you do with your system, keeping detailed records all the while.

"Sony is the biggest spy ever... they collect so much data. All connected devices return values sent to Sony's servers," the hacker said. He claims that Sony knows what controllers you're using, what USB devices are plugged in, what sort of television you're using–everything. Here's another section of the chat log:

• user2: another funny function i found is regarding psn downloads
• user2: its when a pkg game is requested from the store
• user2: in the url itself you can define if you get the game free or not. requires some modification in hashes and so on tho
• user3: ..
• user2: is like
• user8:
• user3: my god
• user2: drm: off

That's not all: your credit card information is apparently being sent as an unencrypted text file. This is how the code is being sent to Sony:

creditCard.paymentMethodId=VISA&creditCard.holderName=Max&creditCard.
cardNumber=45581234567812345678&creditCard.expireYear=2012&creditCard.
expireMonth=2&creditCard.securityCode=214&creditCard.address.address1=
example street%2024%20&creditCard.address.city=city1%
20&creditCard.address.province=abc%
20&creditCard.address.postalCode=12345%20

This information is allegedly being stored online and is updated every time you turn on your system. We've been receiving reports from various sources that e-mails are being sent to those with hacked firmware even before they log back into the PlayStation Network, which is even more evidence that Sony is grabbing information from your system just from being connected to your wireless network.

The ability to enable free downloads is likewise unsurprising, as there may be a way for some users, such as press and developers, to access the PlayStation Network without needing to pay for content.

While other console manufacturers may keep free, pre-review content in a separate, closed-off network, it's possible Sony keeps everything in one place, and controls who pays and who doesn't via a simple toggle. That would be unsafe from a security standpoint, but when has that stopped anyone from stupid mistakes in the past?

It's also very possible this is all fake, but much of what the unnamed hacker is saying links up with what we know from other sources about the behavior of the PlayStation Network. It's worth treating this as a very real threat: use PSN cards instead of credit cards on the PlayStation Network, and make sure you don't share any passwords or login information between your PSN account and other accounts.

We've contacted Sony for comment, but have not received a reply at time of publication. The hackers joked that the next update will remove the PlayStation Network, just as Sony removed the Other OS feature when it became compromised."

Finally, [Register or Login to view links] has tweeted the full log [Register or Login to view links] for those interested.





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Comments 41 Comments - Go to Forum Thread »

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BALLISTIKAL's Avatar
#36 - BALLISTIKAL - 177w ago
I'm actually worried that Sony might be able to get pictures of our face from PS Eye and give it to the authorities when we do something supposedly illegal.

nsomniac's Avatar
#35 - nsomniac - 177w ago
Maybe this sounds stupid but if they can scrape ALL of the names and id's and ban anyone, why not ban EVERYONE, 'they' will have no choice after that, they would have to unban everyone, or sift through millions of user accounts and console id's to figure it all out, and they can't make people resign up for the network because NO ONE will want to buy all of their games over and have all of their saves invalidated... just a thought.

daveshooter's Avatar
#34 - daveshooter - 177w ago
Unless your sat right next to the severs, on the same leg, and your able to sniff multiple connections , its unlikely anything that could be sniffed would be any good, because your only have parts of the sniffed packets. something like wingate dose, for windows, it splits the bandwidth across multiple connections, creating a better balance. so I disagree about the sniffing side of things.

metzen's Avatar
#33 - metzen - 177w ago
The answer to this is yes. Give this link a try: [Register or Login to view links]

Of course this might not work for those that have already been banned from PSN. Hope it helps.

ahasverus's Avatar
#32 - ahasverus - 177w ago
is it possible to delete my psn account from my computer ? without going online with the ps3 ?

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