Category PS4 Jailbreaking       Thread starter PSXHAX       Start date Jan 27, 2019 at 4:04 PM       140,842       147            
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Recently developer Fire30 shared on Twitter some PS4 Firmware 6.20 Build Strings which have been added to the Dev Wiki displaying the current status as 'dumped' leaving many asking the proverbial question of ETA WEN for a public kernel exploit release to complement the PS4 6.XX JSC_ConcatMemcpy WebKit Exploit so PlayStation 4 consoles on recent Firmware can be jailbroken. :unsure:

Previously Fire30 publicly released a PS4 Webkit Exploit PoC for 2.XX OFW, PS4 HENkaku Exploit for 3.55 Code Execution and FireKaku PS4 3.15 / 3.50 OFW Ports of the exploit... so although he may decide not to do a public 6.20 release at least he has a track record of sharing his findings publicly with the PS4 scene in the past. :lovewins:

To speculate briefly, besides obvious legal hassles a reason he may opt against doing a public 6.20 kxploit release is what developer @Mathieulh (Twitter) mentioned on Discord last month... to quote:

"No one is interested in doing a release for various reasons including how we don't have any other exploit chain after this one XD"

Like it or not, that's a compelling reason to keep things private (for the moment) among PS4 developers since end-users can still obtain jailbreakable consoles if they're willing to pay what those selling them are asking.

Code:
cat 620.elf | head -c 4096 | sha1sum 2e83ab92cf84da74b526db13500f4611583f7c45 -
Code:
r109816/release_branches/release_06.200 Nov 2 2018 05:41:33

PS4 Testkit Build String (5.50 - 6.20) via MrNiato
Code:
6.20 : r109816/release_branches/release_06.200 Nov 2 2018 6:41:43 AM
6.02 : r108670/release_branches/release_06.020 Oct 15 2018 3:37:52 PM
5.55 : r96810/release_branches/release_05.550 May 10 2018 12:40:23 PM
5.53 : r91210/release_branches/release_05.530 Mar 28 2018 6:30:33 AM
5.50 : r90807/release_branches/release_05.500 Mar 2 2018 6:29:37 AM
From Pastebin.com comes more PS4 developer build strings since the 6.50 BETA: :fire:
Code:
release: 0x06503010
build: cex
security-repository-path: release_branches/release_06.500
security-revision: 9852
sys-repository-path: release_branches/release_06.500
sys-revision: 117453
***-internal-build-number: 110553
middleware-repository-path: release_branches/release_06.500
middleware-revision: 20512
middleware-build-number: 70689
vsh-repository-path: release_branches/release_06.500
vsh-revision: 172011
vsh-build-number: 1120522

Spoiler

Thanks to @MrNiato (Twitter) for passing along this news earlier on! (y)
PS4 6.20 Build Strings by Fire30, ETA WEN for Kernel Exploit.jpg
 

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madman777

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hope 4 the best.. may be it will be released early in 2019 or not.. the bad part is we have to wait to know the answer.. still thanks for their hard work in JB 5.05 FW.
 

Knight69

Senior Member
Contributor
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I wish I had the knowledge that devs have and I would personally release a new Ps4 exploit for the public.

I just wonder what are the reasons for them not to release the exploit? Trouble with Sony? Personal reasons?. Whatever the the case I just wish someone would release the new exploit even 5.55 would be good
 

Koh23

Senior Member
Contributor
Verified
So, this is standoff, right?

And sony wins, either way - without release they wont patch it, without patch devs wont release it..... Again, sony wins, they fw is secure, seems to me that the best way of fighting against jaikbreak is to support jailbreak and leave same entry point forever open....
 

Yourname

Senior Member
Contributor
Sony can get lucky and break the 5.55/6.20 exploit just by releasing updates, its in our best interest Sony release lots updates so either the current exploit will get exposed but more importantly new exploits found.

Who knows, there's also a chance other exploits have been found and just not publicly announced/leaked.

End of the day the devs owe us nothing, for the most part they do this as a challenge and to show off there skills, we are just lucky the exploits they find eventually do get released.
 

chrisrlink

Member
Contributor
Verified
I'm starting to doubt even IF sony gets lucky and patches the 6.20 kexploit on their own we'll never see a release still, even with all the latest homebrew i've seen being released for 5.05
 
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