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GeoHot PS3 Hack Propered, Exploit for All PlayStation 3 Firmware


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234w ago - Today xorloser has 'propered' the recently released GeoHot PS3 Hack in attempt to accomodate all PlayStation 3 Firmware versions with the exploit.

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To quote: As I'm sure everybody heard, the memory access exploit for the PS3 hypervisor was released recently by geohotz. I was finally able to replicate his hack so I thought I'd take the time to help out others who may also have trouble due to being linux n00bs like me.

If I were to post everything at once it would be too much work and I'd never get around to it, so I'll post bits at a time to ensure I actually do post it heh. Today's post will talk about the software side of the exploit.

Please note that the geohotz exploit software was hardcoded for the v2.42 firmware, I have made a small fix that attempts to dynamically support all firmware versions. I have only tested and used it on v3.15 however.

The first step is to install Linux on your PS3 which means of course that this will not work on a slim PS3. I tried a few different Linux distros and after various different issues I settled on using Ubuntu v8.10 since this is the same version that geohotz used.

I suggest using the "alternate" version since it includes a gui which the "server" version does not. You can download the 636MB image below, I suggest using the legal torrent below to save the bandwith of the Ubuntu servers.

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After downloading, burn the image to a CD-R and install as you would any OtherOS install. There are many generic and also Ubuntu specific guides for doing this, so I won't cover that here.

Once you have Linux up and running you should log in using the username you created during install. Now open a terminal (Applications->Accessories->Terminal). You can enable the root account by creating a password for it by typing "sudo passwd". You then enter your current users password once and then the new root password twice. The root account will now be usable.

Now type "su" and then enter the new root password to get root access. Create a dir to put everything in. You could probably create this in your home directory, but I created it in the root of the filesystem so that I can share it between root and my user account as well as setting up access to it via samba from my PC.

To create the dir do "mkdir /ps3share", you can call it anything you want, I call it ps3share because I share it with my PC over samba. Now allow all users to read and write to it by doing "chmod a+rw /ps3share". Finally give ownership of it to your normal user account by doing "chown username:username /ps3share" where username is your username.

Next you need to get the "fixed" exploit software onto your PS3. Using a USB flashdrive is easiest. Copy the extracted files onto it from your PC, then insert it into your PS3. It should automount and bring up an icon on your desktop.

Double click the icon to open the file browser. Right click on the USB drive in the filebrowser and choose to "Open in New Window". Then on the left side of the file browser select "File System" and then "ps3share". Now drag the files from the USB drive into your "ps3share" directory.

I have included a binary of the exploit file for those of you who don't want to build it yourself, but for those who do here is how. First you need to fix the location of the kernel headers so they can be found by the build scripts, so do "mv /usr/src/linux-ports-headers-2.6.25-2/ /usr/src/linux-headers-2.6.25-2/".

Now change to the directory with the exploit source in it "cd /ps3share/ps3_exploit_fixed/src" and then build it by typing "make". There will be a lot of warnings but it should create the file "exploit.ko".

You are now set to run the software side of the exploit. DO NOT run it from this terminal while in the GUI, it should only be run from console mode. If you do run it you will not see anything happening, but your PS3 will suddenly become really slow and you will have to turn it off. More about the running of it in a future post.

A summary of the commands to enter at the terminal is below:

sudo password

(then enter users password once, then the new password for root twice)

su

(then enter root password)

mkdir /ps3share

chmod a+rw /ps3share

chown username:username /ps3share

(where username is replaced by your username)

Now copy the exploit files into /ps3share.

mv /usr/src/linux-ports-headers-2.6.25-2/ /usr/src/linux-headers-2.6.25-2/

cd /ps3share/ps3_exploit_fixed/src

make

done!



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Comments 36 Comments - Go to Forum Thread »

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Neo Cyrus's Avatar
#36 - Neo Cyrus - 233w ago
$4 per console is far from an insignificant amount when you are selling millions of consoles per year. It's even more insignificant when you consider that most people move on and don't care about their old games, hence they don't care about backwards compatibility.
Do you think people wouldn't pay a little extra for backwards compatibility? If Sony really cared about cutting costs they wouldn't have made it use a Blu Ray player to begin with and wouldn't have went with an exotic parts like the Cell. The entire purpose of removing the EE+GS chip was to increase PS2 sales, that is all.

dinzy's Avatar
#35 - dinzy - 233w ago
$4 per console is far from an insignificant amount when you are selling millions of consoles per year. It's even more insignificant when you consider that most people move on and don't care about their old games, hence they don't care about backwards compatibility.

Neo Cyrus's Avatar
#34 - Neo Cyrus - 233w ago
Sorry but you should know that you shouldn't believe every excuse you hear.. The PS3 has got the power of an PC.. I don't think that the design of a console starts with the hardware?? i believe its starts on a computer and after that they search for components that can equal what they have emulated on a computer.

but then again.. its just how I feel about it.. don't want to go too much off topic.
Don't forget the fact remains that for an insignificant amount they could have continued to include the Emotion Engine + Graphics Synthesizer chip (both the EE and GS in one chip) for what I read to be $4 per console, that's right $4.

Even assuming it cost 10 times more than that, $40 per chip, almost everyone would agree that was a feature that should have been kept.

They cut that out obviously to force people to continue buying the PS2, I would have gladly paid extra to include PS2 capabilities in my PS3 so I wouldn't have to have my PS2 out as well. Even now the PS2s are selling relatively well.

zangetsu1's Avatar
#33 - zangetsu1 - 233w ago
you have no idea how hard it is to program an emulator. especially if the technology of the mother system is quite different then the one which have to be emulated.

sony works on an emulator for the ps1 ps2 games. but they don't want to release an unfinished project.. because of the fact that the unfinished project could damage your disk drive, your console or your disk.

sony did nothing wrong.
Sorry but you should know that you shouldn't believe every excuse you hear.. The PS3 has got the power of an PC.. I don't think that the design of a console starts with the hardware?? i believe its starts on a computer and after that they search for components that can equal what they have emulated on a computer.

but then again.. its just how I feel about it.. don't want to go too much off topic.

Warrorar's Avatar
#32 - Warrorar - 233w ago
yes of course we could release PS1/PS2 emulator.. but than well earn less money through PSN.. so lets release that at the end of the PS3 lifecycle..
you have no idea how hard it is to program an emulator. especially if the technology of the mother system is quite different then the one which have to be emulated.

sony works on an emulator for the ps1 ps2 games. but they don't want to release an unfinished project.. because of the fact that the unfinished project could damage your disk drive, your console or your disk.

sony did nothing wrong.

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