Category PS4 Jailbreaking       Thread starter PSXHAX       Start date Dec 31, 2019 at 12:07 AM       74,034       68            
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Proceeding his PS4 6.20 Build Strings, PS4 7.00 Kernel String and Oct0xor's PS4 Blu-ray Drive Vulnerabilities that were patched in 7.02 on this New Year's Eve 2020 scene dev Fire30 (aka Fire30_ on Twitter) released a PS4 Webkit exploit for 6.XX consoles that gains addrof/fakeobj with arbitrary read/write primitives... according to the developer it was fixed in 7.00 leaving a potential window of opportunity between 5.50 and 6.72 OFW to work from. 🍾 🥳

Other PlayStation 4 scene contributions from him include a PS4 Webkit Exploit PoC for Firmware 2.XX, PS4 HENkaku Exploit: 3.55 Code Execution, HENkaku PS4 Exploit Update for 3.15 / 3.50 Firmware and this bad_hoist exploit comes following the previously released PS4 5.50 WebKit (Userland) Exploit Rewrite, PS4 6.XX JSC_ConcatMemcpy WebKit Exploit POC and PS4 6.20 WebKit Code Execution Exploit PoC for those following along. 👯‍♂️🎉👯‍♀️

Download: bad_hoist-master.zip / GIT

:alert: For newbs: This is a 6.XX PS4 WebKit (Userland) exploit and not a Kernel-level exploit, meaning until a fully implemented 6.XX Kernel exploit is publicly available you won't be able to jailbreak these PlayStation 4 consoles so don't update!

:idea: If you can't wait for a Future PlayStation 4 Jailbreak Exploit then Locate a Jailbreakable PS4 5.05 / 5.07 Firmware Console to enjoy playing hundreds of PS4 FPKG games, various emulators and homebrew applications.

It uses an Issue 1665: WebKit: JSC: BytecodeGenerator::hoistSloppyModeFunctionIfNecessary doesn't invalidate the ForInContext object bug from lokihardt of Project Zero, and from the README.md to quote: bad_hoist

Exploit implementation of CVE-2018-4386. Obtains addrof/fakeobj and arbitrary read/write primitives.

Supports PS4 consoles on 6.XX. May also work on older firmware versions, but I am not sure. Bug was fixed in firmware 7.00.

A champagne toast to @DEFAULTDNB for the heads-up of this news on Twitter earlier, and wishing everyone a very safe and Happy New Year's Eve 2020 tonight! 🥂
PS4 Webkit Bad_Hoist Exploit for PlayStation 4 Firmware 6.XX by Fire30.jpg
 
:idea: Reminder: Those without a Verified Badge yet on Discord to access the private areas we recommend Joining Us! Why? The waiting process takes a week for new Members, and there's a lot we're unable to share on public forums including the latest PS4 PKG Games. 🏴‍☠️

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ryo25895

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I think, exploit/kexploit maybe public released after AAA games, like RE3 Remake, FFVII Remake, Cyberpunk 2077 etc. Or after released PS5. Not earlier.
 
:idea: Reminder: Those without a Verified Badge yet on Discord to access the private areas we recommend Joining Us! Why? The waiting process takes a week for new Members, and there's a lot we're unable to share on public forums including the latest PS4 PKG Games. 🏴‍☠️

usanjay77

Member
Contributor
Hello Namste to all, hope all of you doing great in your life. Today when I am surfing internet I found something strange bug which stating a what's app bug which can hack someone's what's app by posting a mp4 video.

I don't no it will help developers or not and by the way I am totally unfamiliar with coding and with forums. Here is a link for the bug.
 

TheSence

Member
Contributor
Verified
well i don't see anything coming out till the PS5 gets released. It will probably take several month/years into the PS5 until a new jailbreak comes out. When not much people care about the PS4 anymore ;) But hopefully they prove me wrong.
 

somokike

Member
Contributor
There some video apps in ps4 that launch a browser directly and loads html, js and css files from a remote host. I know that this webkit versions that launch the application are lower than the 7.02 Firmware version (5.31.3 vs 6.xx), Can be used this to test this vulnerability?
 
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