PS3 This is odd

Discussion in 'General PS3 Discussion' started by bitsbubba, Jan 12, 2018 at 3:12 AM.

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    pinky

    pinky Bitsiboo's Other Half Developer

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    do you know if it ever worked? I just tried mine, and it shows 2.70.
     
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    bitsbubba

    bitsbubba Super Moderator / Developer Super Moderator Developer

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    at one point it did show 2.70, but I did something. It has to be the IDPSet I wrote to both eid0 & eid5 so that might have changed it to 3.65 but now I can't change it back even after reverting back to the original IDPS
     
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    Spawn

    Spawn Member

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    Perhaps, since you used an idps from a 3k, it manipulated lowest FW to a higher one and it's a one way street, so to speak..?
     
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    Hasan

    Hasan New Member

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    I did it my PS3 shutdown and I looked at the file is it suppose to be so small its only 1 kilobytes
     

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    Hasan

    Hasan New Member

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    Also my ps3 is 3001A
     
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    bguerville

    bguerville Moderator Developer

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    It's supposed to be 16 bytes.
     
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    esc0rtd3w

    esc0rtd3w Developer

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    same thing happened to me when i spoofed with a 3001 IDPS/PSID on my 2501A.

    i made a dump with 3001 ID and my minver was 3.65.

    i just dumped eid_root_key for 3001 ID and then restored my original IDPS/PSID from 2501A using IDPSet (writing to eid0/eid5) and reboot

    must be in CEX mode lol

    after reboot i can dump eid_root_key for original 2501, also minver is again 3.50! :eek: vulnerability? haha :D
     
    Last edited: Jan 12, 2018 at 7:10 PM
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    bitsbubba

    bitsbubba Super Moderator / Developer Super Moderator Developer

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    mine won't change back to 2.70 after doing that
     
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    esc0rtd3w

    esc0rtd3w Developer

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    try using rebug 4.21 to do it or reinstall rebug 4.81.2 twice maybe?? idk? that method worked for me! i had dumps of both eid_root_key files though for each ID used.

    also i had to resign the IDPSet for 4.xx, but works good!

    maybe try changing to fake ID and write, reboot, then write real one. make sure all 3 files are on usb000 (idps.bin, psid.bin, eid_root_key)
     

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    Last edited: Jan 12, 2018 at 7:54 PM
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    bitsbubba

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    nope neither worked :apologetic:
     
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    sandungas

    sandungas Moderator Developer

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    I dont get it, so i dont have anythng interesting to say, but it looks you hitted with something interesting
     
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    corolla0305

    corolla0305 New Member

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    I’ve got a 4xxx Idps if you want to see if it’ll go higher again rather than lower for the minverchk?
     
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    pinky

    pinky Bitsiboo's Other Half Developer

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    is that firmware the lowest downgrade version of the 3x model?
     
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    bitsbubba

    bitsbubba Super Moderator / Developer Super Moderator Developer

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    I'm pretty sure yes, I'll have to check later as @ work now
     
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    bitsbubba

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    I'm thinking I might grab the IDPS from the phat nor model I have, possibly get it lower then 2.70
     
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    bguerville

    bguerville Moderator Developer

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    We discussed the possibility yesterday with esc0rtd3w, he was supposed to give it a try.
    If it actually worked, it would be a vulnerability we might be able to use (on CFW compatibles anyway for now)...
     
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    bitsbubba

    bitsbubba Super Moderator / Developer Super Moderator Developer

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    PROGRESS!!!
    [​IMG]
     
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    bguerville

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    bitsbubba

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    For some reason my original still shows 3.65, might it be possible I bought it with a spoofed IDPS? I could have sworn it said 2.70 at one point, i could be wrong.
     
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    pink1

    pink1 Member

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    On your original is the 8th byte 0C or is it 09?
     
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