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September 20, 2012 // 4:17 am - 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


PS3 LV2_Kernel Exploit Sample Implementation By Naehrwert

PS3 LV2_Kernel Exploit Sample Implementation By Naehrwert

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#314 - InconnuaDZ - May 20, 2015 // 11:10 am
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thank you so much

#313 - PS4 News - May 20, 2015 // 6:53 am
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Following his PS3 TrueAncestor SELF Resigner updates, today PlayStation 3 developer JjKkYu released TrueAncestor PKG Repacker 2.00 which is the evolution of TrueAncestor PKG Creator with the changes outlined below.

Download: TrueAncestor_PKG_Repacker_2.00.zip / TrueAncestor_PKG_Repacker_2.00.zip (Mirror)

To quote: Hi, Mates

This is an evolution version for TAPC (TrueAncestor PKG Creator), hope it will bring you a new experience for packing pkg.

TrueAncestor PKG Repacker v2.00 Features:

1. Rewrite the whole program and rename to TrueAncestor PKG Repacker.
2. New fast pack operation for ultimate pkg packing experience.
3. New ungpkg engine for unpacking pkg.
4. New game folder info & pkg info display.
5. New switch for patching PARAM.SFO in packing process.
6. New switch for resigning EBOOT.BIN in packing process.
7. Newly support long install path for Gamedata pkg.
8. Newly support packing PS2 Classics pkg.
9. Newly support packing .p3t theme file to pkg & batch mode for packing theme pkg.
10. Newly support packing avatar file to pkg & batch mode for packing avatar pkg.
11. Newly support packing retail & debug license pkg.
12. Update instructions.

More PlayStation 3 News...

#312 - mmallynn123 - May 5, 2015 // 7:39 pm
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This is helpful PS3 jailbreaking software.

#311 - yugiom - May 4, 2015 // 1:44 pm
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it's an awesome app !

#310 - PS4 News - April 29, 2015 // 4:45 pm
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Quote Originally Posted by tsudecimo View Post
Download link doesn't work. Can someone please re-upload it?

Sure I may be able to mirror it if I know specifically which file (either a name or link to the post) you are seeking.

#309 - tsudecimo - April 29, 2015 // 7:56 am
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Download link doesn't work. Can someone please re-upload it?

#308 - rafabuyo - April 28, 2015 // 11:31 pm
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This application is super... hope to continue being updated.

Thanks for this application... is the best !!!

#307 - yonutm - April 28, 2015 // 2:05 am
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Thanks, needed this for a PSN Game.

#306 - AKmania - April 27, 2015 // 9:44 pm
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thanks i was looking for this

#305 - ramia - April 27, 2015 // 9:35 pm
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good job, thank you!