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Following his JailbreakMe PS4 3.5x/3.70/4.0x ports of the original JailbreakMe PS4 4.0x exploit, today with the help of qwertyoruiopz PlayStation 4 developer SpecterDev broke down the PS4 4.0x WebKit Userland Exploit documenting it under Exploit Writeups for other scene developers to examine and learn from.

Great stuff @SpecterDev and here is the break down from the Update 4.0x WebKit Exploit Writeup.md, to quote: Breaking down qwertyoruiopz's 4.0x userland exploit

Edit: qwertyoruiopz tweeted at me helping me understand the bug better and I've corrected it.

Not too long ago qwertyoruiopz released a functional (and surprisingly stable) exploit for 4.0x firmwares. No - it's not the same as the Pegasus exploit which could have been used in ChaitinTech's jailbreak chain, but it uses some similar concepts. Unfortunately, the exploit is patched on 4.50 <= because after 4.07, Sony upgraded to a much newer WebKit version, which patched many potential (and possibly private) exploits, including this one.

Immediately after it was released I started studying the exploit and tried to figure out how it worked at all stages, including post-exploitation. Below I'll share what I found about how it works. I don't expect to be 100% right because I'm still pretty noob to exploitation and I know very little about the internals of webkit, but I'll give it my best shot. If you'd like to follow along/see where I got this process, you can find my exploit edit on GitHub where I heavily commented as I went through the exploit breaking it down. I'm going to skip past some things such as the int64 object and stuff as that's not relevant to the actual exploit, but is used by it for doing address operations.

Firstly, the exploit ensures the system is vulnerable before attempting to continue with exploitation. It quickly tests the bug before...

With all the recent JailbreakMe PS4 3.5x/3.70/4.0x developments, many are wondering which Firmware version new PlayStation 4 Slim and PS4 Pro consoles are currently shipping with from Sony's production factories to retail stores.

Before the new year, confirmations of factory-sealed PS4 Slim bundles on 3.55 OFW and PlayStation 4 Pro consoles arriving with stock 3.70 OFW were a thing, and with the 0day 3.70 exploit scene developer @Mathieulh sent out a PSA to snag one while you can.

However, as of today (April 5, 2017) we're seeing reports (including Tando, bladerunner6 and HackYourPS4) of new PS4 Pro consoles shipping with 4.0x Firmware.

While everyone waits to see the fate of the recently discovered 0day 4.50 kernel exploit it's advisable not to update your current PS4 System Software version until scene developers including qwertyoruiopz and the Rebug Team determine what course of action is best based on Sony's next move!

Thanks to @bladerunner6, @HackYourPS4, @HydrogenNGU and @Tando for the heads-up, and if anyone else here...

Since the initial release and PS4 4.50 Kernel R/W Access confirmation by qwertyoruiopz, PlayStation 4 developer @SpecterDev began work on porting it and today he announced on Twitter that the exploit is now ported to 3.50, 3.55, 3.70, 4.00, 4.06, and 4.07 Official Firmware (OFW)!

JailbreakMe PS4 Exploit Links: JailbreakMe PS4 4.0x (Original) / JailbreakMe PS4 3.5x/3.70/4.0x (Port - Mirror by NerdyBitsUK) / JailbreakMe PS4 3.5x/3.70/4.0x (Mirrors by StandardBus) / PS4-4.0x-Code-Execution-PoC-master.zip / GIT

And from the Cryptogenic PS4 4.0x Code Execution PoC README.md, to quote:

PS4 4.0x Code Execution

This repo is my edit of the 4.0x webkit exploit released by qwertyoruiopz. The edit re-organizes, comments, and adds portability across 3.50 - 4.07 (3.50, 3.55, 3.70, 4.00, and of course 4.06/4.07).

The commenting and reorganization was mostly for my own learning experience, however hopefully others can find these comments helpful and build on them or even fix them if I've made mistakes. The exploit is much more stable than FireKaku and sets up the foundation for running basic ROP chains and returns to normal execution. Credit for the exploit goes completely to...

After his Installing PS4 1.76 OMSK / Demo Mode guide, PlayStation 4 developer @MODDEDWARFARE returns on his YouTube Channel with both a 1.76 PS4 UI Editor and UI Mod tutorial for changing the PS4 home screen images.

Download: PS4 UI Editor.zip (9.7 MB) / FileZilla / Paint.NET

To quote: PS4 UI Mod Tutorial Changing Home Screen Images

How to swap out the application launch and background images on the PS4 home screen through FTP using the WebKit exploit.

The required file downloads for PS4 UI Editor, FileZilla and Paint.NET are linked above.

Thanks to @Figure03 for passing along the news in the PSXHAX Shoutbox today!

This month Sony is adding six Lucasfilm PSN games to the PlayStation Now lineup, including Star Wars: The Force Unleashed and LEGO Indiana Jones!

Check out the PS Now trailer video and a game summary listing below courtesy of PlayStation Now Senior Marketing Manager Brian Dunn:

Here is the full list of games available as of today on PlayStation Now:

• Star Wars: The Force Unleashed – Ultimate Sith Edition
• Star Wars: The Force Unleashed 2
• LEGO Star Wars: The Complete Saga
• LEGO Star Wars 3: The Clone Wars
• LEGO Indiana Jones: The Original Adventures
• LEGO Indiana Jones: The Adventure Continues

If you’re a fan of LEGO, PlayStation Now has plenty more to check out:

• LEGO Batman: The Videogame
• LEGO Batman 2: DC Super Heroes
• LEGO Harry Potter: Years 1-4
• LEGO Harry Potter: Years 5-7
• The LEGO Movie Videogame

As always, PS Now supports local 2P co-op, which is a great way to experience the above LEGO Star Wars and Indiana Jones games.