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PS4 Jailbreaking       Thread starter PSXHAX       Start date Jan 27, 2019 at 4:04 PM       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: PS4 6.20 HEN & Demo Videos
Code:
CEX | 2.03 | r47215/release_branches/release_02.030 Nov 25 2014 05:39:10 | decrypted

DEX | 1.051 | r29941/release_branches/release_01.051 Oct  3 2013 23:56:24 | dumped
Download: 6.20-FS.zip (323 MB - FULL 6.20 Fs with modules, decrypted) / Kernel_Dump_620-1.zip (20.5 MB - 6.20 kernel) / 6.20 kernel offsets via LightningMods

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
 

Comments

Exactly.....

The loudest voices that says "keep your fw lowest as possible" are ones that in same time yells "buy new games"...

If... and thats a big if... anything comes out from this, it will not happen soon
 
Good to see more light on the possibility of exploit. If it is released then great news all round but even if not, just encouraging to see talent being able to identify the exploits :)
 
We need a way to convert PC mods to work on ps4 on other games other than Skyrim and fallout it would be cool to have real car models on GTA V and extra tracks, cars etc on Assetto Corsa I thought the whole reason behind 5.05 was homebrew etc....
 
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