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PS Vita Hacker SKFU on Uncovering New Security Vulnerabilities


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139w ago - Since reporting on his last flaw uncovered, PlayStation Vita hacker SKFU has found a few new vulnerabilities in Sony's PS Vita handheld gaming system.

To quote via [Register or Login to view links]: Few hours ago, developer SKFU (known for his work on the PS3, but also recently for some investigations on the Vita security) posted a screenshot of his Vita showing some HTML in what is supposed to usually show official messages from Sony’s updates or packages.

Knowing SKFU's passion for everything network-related, I'm assuming he's doing some tests using some local DNS changes... or maybe he managed to put some of his own files in an official package? That would be exciting.

In previous tweets this week, he mentioned he found 2 potentially usable vulnerabilities on the Vita

VITA is back to life, since last tweet found 2 new possibile vulnerabilities. If it runs good, news in blog this evening!

That was, however, 2 days ago, and his blog wasn’t updated since then, so I’m assuming he ran into a few issues. (the “back to life” comment refers to the official 1.52 firmware which bricked his Vita…or appeared to do so... which turned out to be that the battery had to charge for almost 24 hours before the Vita accepting to turn on, for some reason)

Obviously lots of this experimentation will probably not lead to anything, but for now, every bit on info on the internals of the Vita is interesting. Let’s keep digging

Also from SKFU (linked above) is an update on the recent PlayStation Vita 1.52 Firmware status below, as follows:

Ok guys we tested the possibilities on firmware 1.52 for a few days now. What I can confirm is the following:

  • Tech4's exploit still works
  • Wololo's HBL still works
  • Everything I research atm didn't change from 1.50 to 1.52

If that is fine for you, there's no reason not to update. Anyways, I have to mention that this can change without a firmware upgrade!

If you are online with your PS VITA, it can download and install silent updates for any application which runs in usermode and has nothing to do with system critical modules.

The good is, those updates are removed once the system is restored to the current firmware, so it would not be a major problem to remove a fix.

- SKFU




Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

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Nabnab's Avatar
#159 - Nabnab - 133w ago
You don't need to spend 20 bucks on a digital psp game, i also reveal another game that can be use that it's free and available on every PSN take a look (it's also a demo, the only one PSP Demo that is available for PS Vita)

ModderFokker's Avatar
#158 - ModderFokker - 133w ago
First time i spend 20.- on a digital psp game ..lol

technodon's Avatar
#157 - technodon - 133w ago
here is a link to the game: [Register or Login to view links]

i'm not sure if it is useful, maybe it could be installed using charles or something?

Nabnab's Avatar
#156 - Nabnab - 133w ago
Here is another game that you can use but i don't care about the MIPS Wrapper

[Register or Login to view links]

ils's Avatar
#155 - ils - 133w ago
Following up on the previous update, today PS Vita homebrew developer wololo has revealed the game used for the PlayStation Vita Half Byte Loader (VHBL) is Motorstorm Arctic Edge (Motorstorm Raging Ice in Japan) and shared a video of it in action below!

As a result, Sony has officially removed the Motorstorm Arctic Edge title from PlayStation Store.

To quote: "Ok, so, since the PSN maintenance is being postponed, there is no reason for me to not give the name of the game used by Teck4 for his exploit:

The Game is Motorstorm Arctic Edge, also known as Motorstorm Raging Ice in Japan. It is available for 19.99 euro on most European Playstation Stores, 15.99 Pounds in the UK, and for 3800 yen on the Japanese store.

Note for North American readers: that game, despite being available on the US Store, is marked as not compatible with the Vita in the US. People who have bought it in the US and tried to transfer it to their vita have failed as far as I know, which is why a few days ago I recommended people in the US to get a European PSN account.

Now what's next?

Well it's simple and stressful at the same time: I'm giving you guys a couple days to buy a copy of that game if you think VHBL is worth it (and assuming you trust that I'm not lying), and then I'll release the VHBL files. There are pros and cons to this "2 steps" release. The cons are that you have to trust me, and there's a possibility Sony actually patches/patched something without me knowing it, the pros are that I don't think Sony will remove the game from their store until they actually have something to patch, so I think this gives you guys a couple days to buy the game.

Or, you can wait until I release the files and other people confirm it works, at which point you run the risk that Sony patches the exploit and/or removes the game from the store before you can even buy it.

Now, let me be clear once again: buy the game if you want to play it, I have no way to guarantee VHBL will work for you, I can just tell that a few days ago this was confirmed to work by a few testers.

Also keep in mind that VHBL gives you no iso, no special access to the Vita hardware, just a limited PSP homebrew experience on your vita. If like me you think it's fun, then you might be interested. Or, if you think that 20 euros is a fair price for one of the best PSP games, then, well, just consider VHBL as a "bonus".

VHBL has been confirmed to work on firmware 1.61. If your console asks you to update to firmware 1.62 or something, I cannot guarantee it will still work. It is also recommended, after you bought the game, to be paranoid and disconnect your console from the network, and to install openCMA. Again, there are lots of unknown things going on with the Vita, it is impossible for me to tell if this will work for everyone.

As far as I know, there are 5 versions of this game out there. I ported VHBL to 4 of them, and I am sure the fifth one is vulnerable too, but I couldn't find any place selling or "distributing" it, so I couldn't port the exploit to it. That being said, it should be "doable" if somebody can get a copy, to port the exploit to that version as well.

Finally, for those who want proof, here's a video:





I want to thank the people who made this release go as smoothly as possible, especially Teck4 and Mamosuke, HBL devs (in particular m0skit0 and JJS, thanks for lurking on the scene for so long, you guys are the real deal!) the mods at /talk who have helped a lot over the past week, the handful of devs/testers who know how to keep a secret (you know who you are), but also the thousands of /talk users who, for some of them, have been knowing the game's name for several days now, and haven't leaked anything.

You guys are truly an awesome community, you can of course now go ahead and let your friends know, or brag about how you've known about the game for a while and hold the secret. It was so far an awesome experiment, let's hope the result will be worth it!"

Too bad my Vita will arrive in 9th March (international delivery) hopefully someone find another exploit by then.

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