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PS4 JAILBREAK: THE STATUS FOR UNHACKABLE FIRMWARES (9.03, 9.04, 9.50, 9.51,
9.60, 10.00, 10.01)

by wololo · November 18, 2022



Time for our regular PSA on unhackable firmwares.

TL, DR: not much on the horizon.


PS4 JAILBREAK: WHAT’S NEEDED

As a reminder, and at the risk of sounding like a broken record, a PS4 Jailbreak
basically requires two exploits. That’s a bit of an oversimplification to be
honest, but the idea is that you first need a way to run unsigned code by
hijacking a running process on the console. That “way” can be some malicious
javascript on a web page, or a cleverly crafted save file for a specific game.
These inputs will trigger some bug in the application that’s running them
(whether it’s webkit, a game, or something else) and give you some way to run
code on the console. That initial entry point is typically referred to as a
usermode exploit.

From there, you need a “privilege escalation”, a way to get to a higher level of
authorization into the machine’s more secure pieces of code. That’s what usually
known as a “kernel” exploit, because historically on consoles this gave us
access to the firmware parts of the RAM, or the kernel.

Hence, two exploits required for a Jailbreak: the “usermode” exploit, or the
entry point, and the “kernel” exploit, or privilege escalation.




PS4 JAILBREAK: THE CURRENT STATUS

It’s been almost a year since the latest PS4 Jailbreak was released, for
firmware 9.00. Anybody running a PS4 on firmware 9.00 or lower can enjoy the
benefits of the Jailbreak today, but people on higher firmwares feel like
they’ve been left in the cold. Although that’s the way the game is played, what
hope is there today for people running firmware 9.03 or above?


FIRMWARE 9.03/9.04

People on firmwares 9.03 and 9.04 have a dim ray of hope, with the BD-JB
usermode exploit. Specifically, Sleirsgoevy has released a working
implementation of the Blu-Ray exploit, which in theory should work for firmwares
9.03 and 9.04.

Details can be found here, but keep in mind that this is a usermode exploit.
Although historically usermode exploits have allowed homebrew games and
emulators to run, this has generally not been the case on the PS4, where it
seems the scene doesn’t bother for anything less than a full Jailbreak. In other
words, 9.03 and 9.04 are exploitable in usermode through the BD-JB exploit, but
this won’t bring you much in terms of useable features. And there is no word on
a Kernel exploit for these firmwares so far.


FIRMWARE 9.50 AND ABOVE (9.51, 9.60, 10.00, 10.01)

Firmwares 9.50 and above aren’t vulnerable to the BD-JB exploit, which adds to
the fact that there’s not been any mention of a potential kernel exploit on the
PS4 beyond firmware 9.00. These firmwares, for the time being, are tightly
locked.

To summarize, as far as a full Jailbreak is concerned, nothing concrete has been
announced or even rumored recently for firmwares 9.03 and above. 9.03 and 9.04
are vulnerable to the BD-jB usermode exploit, though.


PS4 HACKS ON 9.03 AND ABOVE: WHAT ARE THE LEADS?

Besides the bd-jb exploit we’ve mentioned above for 9.03 and 9.04, there are a
few leads that are worth paying attention to (we of course at wololo.net are
keeping our ears to the ground for any development on these):

Mast1c0re: PS2 exploit within the PS4

PS4 Hacker CTurt has recently released a writeup on a PS4 exploit within the PS2
emulator. He has stated that the latest firmwares are impacted (10.00 at the
time, but we don’t see a reason 10.01 wouldn’t be impacted too), and that he
would be providing a Homebrew environment for the hack. This remains usermode,
but could be extremely interesting, if indeed it allows for homebrew to run. The
exploit relies on a vulnerability in game Okage: Shadow King. This is a PSN
game, and Sony could easily twart any release by simply pulling the game from
the store. It’s difficult to recommend you buy, download, and install the game
before anything concrete is released, but I personally did, just FYI.

libxml2 vulnerabilities in 2022

While most hackers have their eyes on Webkit vulnerabilities, the Google Project
Zero team have disclosed vulnerabilities in the libxml2 library. That library is
used by the PS4, and the disclosure is fresh enough that all firmwares up to
10.01 could be impacted. But tests remain to be done on that front, and it would
be, again, usermode only.


I’M ON FIRMWARE 9.03 OR HIGHER. WHAT CAN I DO?

Based on the above, I can say there is no clear signal from the hacking
community at the moment, that anything concrete is planned for recent PS4
firmwares. It’s not to say that nothing’s being worked on (hackers can be very
secretive), but it could still be a while before any Jailbreak is released for
firmwares 9.03 and above, let alone 10.00 and 10.01.



Because of that, I truly believe that your best bet if you want a Jailbroken
PS4, is to buy a console running 9.00 or below. You won’t find those on regular
retailers anymore, but second-hand marketplaces like eBay have them for
reasonable prices (As an eBay Partner, I may be compensated if you make a
purchase). (Between $200 and $300 at the time of writing).



For the latest and greatest, be sure to bookmark our PS4 Jailbreak page.

PS4 JAILBREAK 2017: THE LATEST STATUS

2017 has been here for a few weeks now, and it's high time we did a recap of the
PS4 Jailbreak scene. So far in 2017, PS4 Jailbreaks have been confirmed to work
up to firmware 4.05 included. However, nothing has been publicly released for
4.xx firmwares. The latest firmware…

February 4, 2017

PS4 JAILBREAK: THE STATUS IN 2023

A growing number of PS4 users are "stuck" on Firmwares
9.03/9.04/9.50/9.51/9.60/10.00/10.01/10.50, and wondering when we should expect
a new Jailbreak. Here's what we know. disclaimer: the eBay links in this article
are affiliate links. If you buy through them, you don't pay anything extra but I
get a small commission.…

May 2, 2023

PS4: 7.55 JAILBREAK UPDATED

Developer Sleirsgoevy has added some updates to the PS4 7.55 Jailbreak this
week. The latest change adds code that "imitates network traffic before
exploit", we can assume this might have been put in place to help stabilize the
exploit at launch. Sleirsgoevy has done a significant amount of improvements to…

June 4, 2021



Tags: ps4 jailbreak

wololo

We are constantly looking for guest bloggers at wololo.net. If you like to
write, and have a strong interest in the console hacking scene, contact me
either with a comment here, or in a PM on /talk!




14 RESPONSES

 * Comments14
 * Pingbacks0

 1. Upgrade to 9.00 ? says:
    November 19, 2022 at 1:54 am
    
    How can one craft a more stable 7.55 exploit using bd-jb ? It’s notoriously
    hard to get the notification, provided that you get past the text screen.

    
    
 2. I won't upgrade to 9.00 says:
    November 19, 2022 at 1:59 am
    
    Don’t get me wrong, I, as a end user, possess a 7.55 phat, 5x cake bd-re dl
    2x (50gb) to write any iso using my laptop’s new blu ray burner that I
    bought specifically for bd-jb and I am also willing to test any isos you as
    a hacker might have for me.
    
    * Kai says:
      November 19, 2022 at 8:33 am
      
      Idk maybe they’ll backport it if they get it working on 9.03-4
    
      
    
 3. Kai says:
    November 19, 2022 at 4:35 am
    
    Is there any way we can support PS4 jailbreaking?

    
 4. Where is Firstus says:
    November 19, 2022 at 7:28 am
    
    First…to say ETA Wen

    
 5. Raikafu says:
    November 19, 2022 at 11:33 pm
    
    I don’t know why anybody takes a new hard drive and install the 9.0
    firmware?
    I did on a ps4 with higher firmware version and it works.
    
    * wololo says:
      November 20, 2022 at 9:23 am
      
      No it doesn’t.
    
      
    * Aces says:
      November 20, 2022 at 1:04 pm
      
      The whole firmware is not written on the drive, the main system config is
      written to a NAND chip which tells the console what the current firmware
      is. If syscon tells the PS4 you’re running 10.00, then anything lower will
      fail to install to your new hard drive.
    
      
    * Main says:
      November 25, 2022 at 2:21 pm
      
      lol, pure mis information
    
      
    
    
 6. 9.00 ? says:
    November 20, 2022 at 4:39 pm
    
    At least could someone craft a bd-jb exploit for 7.55 ? Curious…

    
 7. Michael says:
    November 22, 2022 at 6:04 am
    
    Pls wololo, my ps4 v 10.00 can it be jailbreak?
    
    * VV0L0L0 says:
      November 23, 2022 at 12:12 pm
      
      Not right now.
    
      
    * jacob Warford says:
      November 26, 2022 at 4:18 pm
      
      did you read….
    
      
    
 8. Unstable101 says:
    November 27, 2022 at 6:18 am
    
    I’m looking forward to some jailbreak 10.01 information, I bought a ps4 and
    it was already in that version :/

    



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