Recent content by melongun

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    Tutorial PS4 Exploit Guide

    Just a bit offtopic: It's somehow funny how the whole media is talking about the cbomb issue which we discovered here https://gbatemp.net/threads/aio-ps4-exploit-guide.497858/page-434 some time ago, triggered by vivekanand. Also i speculate this twitter entry...
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    Tutorial PS4 Exploit Guide

    @Leeful My suspicion about this hardware clock doesn't seem only to be a lucky guess ... it's rather a big issue. I don't think the clock itself did change how it works. I suspect SONY is using NTP for the communication. Isn't the system sort of BSD afaik? Maybe OpenNTPD is used and it has been...
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    Tutorial PS4 Exploit Guide

    @godreborn Heck. Forget about that. Well, one reason why my ps4 stays offline the whole time, except i want connect to it.
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    Tutorial PS4 Exploit Guide

    Hm ... time is 1-1-2013/00:00, then exploit, then crash and time is 1-1-1970/05:30 again. At least changing the cmos battery seems to have changed something. Only 'seems', because removing the cmos battery could have set the time in fact to 1-1-2013/00:00 which may be some 'initial hardware...
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    Tutorial PS4 Exploit Guide

    @susi91 This thread is really interesting! @vivekanand https://gbatemp.net/threads/ps4-slim-error-ce-30391-6.546248/page-6#post-9254188 you happend to link a video just about this issue this month :)
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    Tutorial PS4 Exploit Guide

    More interesting to me is 146: int sys_time_set_current_time(uint64_t sec, uint64_t nsec). What does the 'root' flag mean? I know what's a root, but not in the context of that list. Is this a syscall which we don't have control or access to? @KiiWii I don't know for sure, but i suspect this can...
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    Tutorial PS4 Exploit Guide

    I hope so. Because if just replacing the CMOS battery doesn't work, because also the system time has to set afterwards every kexploited PS4 is 'doomed' in some future day.
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    Tutorial PS4 Exploit Guide

    @vivekanand No, but a new battery will 'hold' the cmos clock. You said, you already hat to reset the system time after every reboot. Well, just let me construct something. Your system did work because there has been electric current long enough to set the OS System time. Any software running...
  9. M

    Tutorial PS4 Exploit Guide

    @godreborn That's what i'm wondering about too. I guess @Ballbag knows the exact technical details. Another thing which is conspicuous, is that the system time is still 1-1-1970 since yesterday. Thus every time the ps4 restarts (short cutoff of electrical current to the cmos) its 1-1-1970? Well...
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    Tutorial PS4 Exploit Guide

    @Ballbag So if i understand this correctly, this procedure resets the system version to its original 'shipping' state. But you can't just 'jump' between those two flash memories to apply any firmware because this communication is encrypted. Correct? Can't the system time be set directly on the...
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    Tutorial PS4 Exploit Guide

    Doesn't seem so. Well just by the coincidence we are talking about clocks ... it's night time here and i'm getting tired. @vivekanand As a plan - If you are somehow able to boot up the ps4 (don't start any game), try to set the system time - Then again power off your ps4 and unplug it (for two...
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    Tutorial PS4 Exploit Guide

    @KiiWii hmm .... could he still be able to somehow set the system clock to a current value? This way he could also check if the clock resets after a reboot. Then it should be certain the cmos battery is broken. Oh btw @vivekanand ... i'm feeling really sorry for you especially because you...
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    Tutorial PS4 Exploit Guide

    @vivekanand Well that's hard to tell. As i said, may be the CMOS battery is broken, or some 'blue ray disc' thing just causes your system to say 'Nope! I'm newborn! The whole time!'. Currently i don't have a soild clue for this issue, or the be more precisely i wouldn't give any hints, which...
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    Tutorial PS4 Exploit Guide

    Woah! There we are! Well at least some sneaking suspicion is coming closer. Time 1-1-1970 means 0 (yes zero) by the unix timestamp. Exactly this, happens if the battery isn't charging some chip anymore, which is responsible for continuously counting those seconds, since this exact moment...
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    Tutorial PS4 Exploit Guide

    @KiiWii Well, then it's absolutely comprehensible to test further. It's not just about the kernel exploit itself like you told someone else here. Other aspects like (sort of) mandatory apps and so on have to be kept in mind. @vivekanand Hm, i can only do assumptions. Mentioning you unplugged...
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