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PS3 TrueAncestor SELF Resigner v1.8 Update is Now Available


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106w ago - Not long after his previous revision and the GUI by Woulf_Alpha, today PlayStation 3 developer JjKkYu has updated his SCETool Script to PS3 TrueAncestor SELF Resigner v1.8 with the changes below.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror)

v1.8 Changelog:

1. Rename to TrueAncestor SELF Resigner.
2. Support batch resigning SELF/SPRX files.
3. Add options for CEX CFW.
4. Set non-compress data as default.
5. Change ELF patching method, credit to Ftsm.
6. Update instructions.

Note: For Yazuka 5, enable 4.21+ alt option, then use option 4 to batch resign all the EBOOT.BIN and SELF/SPRX files in the game. Take it easy!!




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#41 - xrayglasses - 117w ago
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You don't need a lv1 exploit, it can glitch HTAB..

#40 - JOshISPoser - 117w ago
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what does all that mean?

#39 - PS3 News - 117w ago
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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

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#38 - Ezio - 120w ago
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The last versions of scetool work fine also without zlib1.dll, I tested them myself.

#37 - rageagainst1 - 120w ago
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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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