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OpenSCETool (OSCETool) v0.9.2 By SpacemanSpiff for PS3 is Released


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81w ago - Today PlayStation 3 homebrew developer spacemanspiff has released OpenSCETool (OSCETool) v0.9.2 which is an open-source clone of the original SCETool followed by the SCETool source code by naehrwert with details below.

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To quote: OpenSCETool is a clone of scetool under an open source license. SCETool was reverse engineered and analized to produce this program, and copied his behaivour.

OpenSCETool (OSCETool) Changelogs:

Version 0.9.2

  • Fixed rap/rif/idps/act.dat management. Now it works fine.

Version 0.9.1

  • Fixed a segfault decrypt some SELFs.
  • Added option -p to patch the sys_process_param when signing an ELF. This is the same as applying FixELF.exe before signing.
  • Added support to klics.txt. If the klicensee is not specified, it is looked up in the data/klics.txt automatically (only for decrypt).

Version 0.9.0

  • First commited version, compatible with SCETool 0.2.9.

Now GNU/Linux users can have a native tool too. If you want an SCETool replacement, remember to add this keys (this were in the code, you can find them in previous revisions of the code, or in flatz's rif/raf tools:

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From mind: Seems the keys are:

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SCETool Changelog: History:

Version 0.2.9

  • Plaintext sections will now take less space in metadata header keys array.
  • Added option to specifiy a template SELF to take configuration values from.
  • Added option to override the keyset used for en-/decryption.
  • Fixed NP application types.
  • [Firmware Version] will now be written to control info only.
  • [Application Version] will now be written to application info only.

Version 0.2.8 (intermediate release):

  • Fixed minor bugs where scetool would crash.
  • Added SPP parsing.
  • Decrypting RVK/SPP will now write header+data to file.

Version 0.2.7:

  • Added local NP license handling.
  • Added option to override klicensee.
  • Added option to disable section skipping (in SELF generation).

Version 0.2.5:

  • Added option to use provided metadata info for decryption.
  • "PS3" path environment variable will now be searched for keys/ldr_curves/vsh_curves too.

Version 0.2.4:

  • Added option to display raw values.
  • Moved factory Auth-IDs to (as they are on ps3devwiki now).

Version 0.2.2:

  • Added options to override control/capability flags (32 bytes each).
  • Fixed where a false keyset would crash scetool when decrypting a file.
  • Some source level changes and optimizations.

Version 0.2.1:

  • zlib is required to use scetool.
  • 'sdk_type' was changed to 'revision' in data/keys.

Greetings to: you know who you are!






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Comments 266 Comments - Go to Forum Thread »

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xrayglasses's Avatar
#41 - xrayglasses - 114w ago
You don't need a lv1 exploit, it can glitch HTAB..

JOshISPoser's Avatar
#40 - JOshISPoser - 114w ago
what does all that mean?

PS3 News's Avatar
#39 - PS3 News - 114w ago
Following up on his PS3 SCETool update and PS3 Dump_Rootkey code, today Sony PlayStation 3 hacker Naehrwert has posted some details on exploiting the PlayStation 3 lv2_kernel and has made available a sample 3.41 implementation below.

To quote from his blog: Exploiting (?) lv2

A long while ago KaKaRoTo pointed me to a stack overflow he found while reversing lv2_kernel. But there are two problems:

1. The vulnerability is in a protected syscall (the SELF calling it got to have the 0x40... control flags set). So you’d first need to find a suitable usermode exploit (don’t ask us), that gives you code execution with the right privileges.

2. The payload data is copied to lv2 heap first and the function will do a free call on it before the payload has any chance to get executed. This might not sound like a problem but it looks like lv2′s heap implementation will overwrite the free’ed space with 0xABADCAFE and thus destroy the payload.

Here (pastie.org/4755699) is my sample implementation for 3.41 lv2_kernel (although the vulnerability should be present in all versions of lv2 up to the latest firmware), maybe someone of you will find a way to overcome problem (2.) and can get something nice out of it because right now it’s only good to crash lv2.

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From Mathieulh (via pastebin.com/naxXkv3M):

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The footer signature is still not checked upon npdrm self files execution as of 4.21.

Because kakaroto says something that doesn't make it true. Basically he found a check in 3.55 that was not even called and assumed they used it in 3.60+.

Of course they do whitelist npdrm now so even if the footer isn't checked you cannot run your own npdrm selfs signed with keyset lower than 0x0D making the whole debate rather pointless. Aditional checks are now performed on the actual file format as well such as the segment counter flag that needs to be set to 0x01 except for the very last segment.

Finally, from KDSBest (via twitlonger.com/show/jcmh80): Since naehrwert posted an lv2 exploit I will do so too . The stack pointer points to lv2 and if we do a syscall, the syscall saves register to the stack HAHA.

Btw. It just crashes the console for now, since I totally overwrite dump the lv2 or some memory addresses I don't know. Feel free to try around, adjust the address of the stackpointer and so on. If you managed to get the panic payload executed. Tell me!!! ^^

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I didn't managed to make it work on 4.21 so I just did on 4.20

More PlayStation 3 News...

Ezio's Avatar
#38 - Ezio - 116w ago
The last versions of scetool work fine also without zlib1.dll, I tested them myself.

rageagainst1's Avatar
#37 - rageagainst1 - 117w ago
That zlib1.dll is outdated (1.2.5). The latest version is 1.2.7 (many improvements have been made). You can get it here:

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