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Following the recent PS4Cheater homebrew app and the previously reported PS4 Sealedkey / pfsSKKey for PlayStation 4 savegame and trophy data decryption charlyzard (Twitter) of PSNCompare.com shared PS4SaveDataDecryptingTools in what he calls "just the first steps" of free and open-source PS4 SaveData Decrypting Tools in development utilizing PS4DumpSealedKeyAndSecret and PS4DecryptSaveDataKey!

Download: PS4SaveDataDecryptingTools-master.zip / GIT / IV0000-HZHZ00001_00-SAVEDATATS000000.zip (6.06 MB - PS4-Save-Utils (2024-12-5)) via Charles_n_town / PS4-vsh-utils-main.zip (Firmware agnostic wrappers to mount/unmount/create ps4 save-, trophy files.) / GIT via hzhreal

Below are some preliminary details from the README.md, to quote: PS4SaveDataDecryptingTools

• PS4DumpSealedKeyAndSecret

Just dumps to USB the sealed key and secret as shown here:

http://www.psdevwiki.com/ps4/Keys#Sealed_Key_Values

• PS4DecryptSaveDataKey

Working code based on the wiki code:

http://www.psdevwiki.com/ps4/Sealedkey_/_pfsSKKey

Put the encrypted PFS key you want to decrypt in your first USB drive and name it pfskeyencrypted

This payload spits out a decryptedSaveDataKey.bin file on your USB

Thanks to @Thibobo for the...

Since his 4.05 PS4 Exploit, related Documentation, release of the full 4.55 PS4 Jailbreak and 4.55 PS4 Holy Grail homebrew enabler today PlayStation 4 developer @SpecterDev made available via Twitter his 4.55 WebKit exploit write-up for the "setAttributeNodeNS()" bug so other scene devs and enthusiasts can learn from it.

Here's an excerpt from the complete setAttributeNodeNS UAF Write-up.md file, to quote: Conclusion

For a seasoned webkit attacker, this bug is trivial to exploit. For non-seasoned ones such as myself however, working with WebKit to leverage a read/write primitive from WebCore heap corruption can be confusing and challenging.

I hope through this write-up that it can help other researchers new to webkit to understand a bit of the magic that happens behind webkit exploitation, as without understanding fundamental data structures such as JSObjects and JSValues, it can be difficult to make sense of what's happening.

This is why I focused the core of the write-up on going from heap corruption to obtaining a read/write primitive, and how type confusion with internal objects can be used to achieve it.

In the next section (yet to be published), we will cover the kernel exploit portion of the 4.55 jailbreak chain. While this WebKit exploit will work on 5.02 and lower, the kernel exploit will only work on firmware 4.55 and lower.

Credits

• qwertyoruiopz
• Lokihardt

References

• Chromium Bug #169685 reported by [email protected]
• Attacking Javascript Engines by sealo...

With the release of PS4 4.55 Homebrew Enabler yesterday, and following his PS4 GTA V Menu Base built on top of his GTA V Native Caller today PlayStation 4 developer @2much4u made available a compiled menu base version for those anxious to begin PS4 4.55 game modding followed by v5.05 OFW support!

Download: gtavMenuBase455.bin (1.0 MB)

To quote from his Tweets via Twitter embedded below: GTA V native caller and menu base, including the tools necessary for game modding in general, are updated to 4.55.

Here is a compiled version of the menu base for those eager to start modding.

Also below is a recent PS4 4.05 GTA-V Mod Menu Tutorial / Overview from @MODDEDWARFARE on his YouTube Channel for those interested in learning how to install a GTA-V mod menu on a jailbroken PS4 console.

PS4 GTA-V Mod Menu Tutorial / Overview (4.05 Jailbreak)
Full debug settings offsets for 4.55
First Grand Theft Auto 5 (GTA5) Mod Menu For 4.55 (PS4 Jailbreak & Mods)
Lamance 0.6 for 4.05 / 4.55 out now!

Download: Lamance06_AllInAll.zip (740.13 KB)...

Today PlayStation 4 developer @Reazer (aka ReazerDev) let us know on Twitter that he made available a PS4 Tool.apk with source code coming for Android owners to inject PlayStation 4 payloads alongside some updates below!

Download: PS4ToolV2.apk (Latest Version) (8.3 MB) / GIT / PS4 Tool v2 GIT

Spoiler: Depreciated

To quote from his Tweets embedded below on the PS4 Tool APK Android application: PS4 Payload Injector for Android Devices!

Simply Download any Payload and put it in the PS4 Tool Folder on your Android Device. (Open the App once to get the Folder), and select it in the Dropdown. Enter your IP and click Inject!

And from the README.md: PS4 Tool v2

Download and Install the App from here: PS4ToolV2.apk

How To Use

Payload Sender

• Go into Settings and type in your PS4's IP Address
• Open an Exploit page on your PS4
• Send the selected Payload

Fan Control

• Go into Settings and type in your PS4's IP Address
• Open an Exploit page on your PS4
• Choose the temperature when your Fan should start spinning, by moving the slider
• Click on Send

...

Following my previous release, I put together an Android app to host the 4.55 exploit and payloads.

You have to setup a wifi hotspot with your phone/tablet and connect the PS4 to that hotspot or connect the phone/tablet to the same network the PS4 is on.

Then install the app and open it and at the top will be the address you need to connect to with the PS4.

Your device might ask you about installing an application from "unknown sources" this is ok to allow, it just means its not coming from Google Play.

You just select the payload you want to run in the app and then use the PS4 to goto the address that you see in the app.

To change the payload just select it in the app and then use the ps4 to revisit/refresh the address again.

you can add more payloads to the app you just plug your phone into your computer and copy any payload BIN file you like into the PS4_455_Payloads directory.

Right now the 4.55 exploit and hen payload are really unstable and you will have to try loading it again and again until the exploit works and payload injects properly.

You will get a lot of "There is not enough free system memory" errors, just select ok and keep trying

Once you fight it enough the payload will work and you will be able to install and play pkg games.

Download: Ps4_Serve2_v2_0.apk (1.8 MB - Changes)

Spoiler: Depreciated