(UPDATED) Here is a very cool release for the PS3 Hacking community, as developer AlexAltea publishes Full RSX VRAM /IO Access Exploit. While this release is only intended for developer's consumption, it could lead to something more promising down the road for the end user as the developer hope someone can make use of this research and exploit, The capabilities are explained as followed "It just gives you access to something inaccessible before with userland/supervisor privileges". So now developer's can explore new areas on [break]j[/break]the PS3 and nothing better to explore then the RSX chip of the console. Checkout all the details from AlexAltea in the quote below:
Full RSX VRAM/IO access exploit
This allows userland/lv2 access to the entire 256 MB RSX VRAM range and the entire RSX IO address space and works on all firmwares up to the last version. Particularly interesting here, is that this allows to access the last 2 MB of VRAM, reserved only for the LV1 driver, and maybe slightly less interesting, accessing 'vsh.self' VRAM area and IO mapped memory.
Disclaimer The requirements are quite hard to satisfy (many of you either don't need this, or can't run this) and it's only relevant for devs (so some don't need to care about it either). It just gives you access to something inaccessible before with userland/supervisor privileges, nothing else. That's the ONLY reason I'm posting this (and maybe the hope of someone being able to do something better with it).
You need either:
- Userland entry point (e.g. Browser exploit , <= 4.78?) + NAND console (although probably if you have this, you already hacked it and have LV1 access).
- LV2 entry point (e.g. RSXploit , <= 4.45?). You will need to replace the `sys_rsx_context_attribute` LV2 syscall with the `lv1_gpu_device_map` LV1 call in the source code of the PoC provided below (and remove all the GCM library code among other things).
- Source code available here (documentation inlined as comments): https://github.com/AlexAltea/ps3autotests/blob/master/exploits/user_vram_access/user_vram_access.cpp
Thanks a lot to @3141card, for his LV1 RE files, and to people from Nouveau/Envytools people, specially mwk.
-  There's a browser-based (was it Webkit?) memdump PoC for PS3. So, just dump memory, find gadgets and build a ROP chain to load userland code.
-  There's a flaw in 'sys_rsx_context_allocate' that allows that. More info on the RSXploit thread.
See Post # 3 Below for UPDATE
PS3 [PS3] Full RSX VRAM/IO Access Exploit by AlexAltea
By STLcardsWS on Mar 23, 2016 at 9:38 PM
PS4 Player (Media Player) by Lapy05575948From the developer who brought us PS4 Xplorer (File Manager) for our exploited PS4 capable of launching homebrew, has now dropped the latest homebrew (powered by Unity) with the release of PS4 Player from Lapy05575948. This new PlayStation 4 Homebrew is a Video Player currently in the BETA stages that provides support for the following video formats: MP4 & MOV. Also subtitles are supported in this release (in SRT format). At this moment the only supported Storage location for your media is on usb0/ . This PlayStation4 homebrew is an early beta release that is only going to improve with time. Have a suggestion or comment drop a line below in this article or tweet directly to the developer (@ Lapy05575948).Continue reading
PS4 Xplorer (file manager) v1.10 Released + Sneak peak of upcoming PS4 (media) Player by LapyDeveloper Lapy05575948 has been working on several homebrew's and ports for the PS4 using Unity 3d, we have seen the developer released various games like El Pollo 2.0 & Lapy's Chicken , but then the dev also developed a game called Save the Scene which was an original concept for the PS4 (now also ported to the PS Vita). In the recent weeks the developer turned attention to a utility, that being a file manager for the PS4. The app which was called Windows Explorer (v1.00-.05) originally and since has been renamed more appropriately PS4 Xplorer in recent updates (stating from v1.06). The homebrew is still in the BETA stage but progressing well as the developer has released multiple updates for the file manager (v1.10 currently) adding features like multilingual support / FTP Support and all the essentials for file management on the PS4.. This Homebrew runs on exploited console on firmware's 5.07 / 5.05 / 5.01 / 4.75 or 4.55 firmware Follow all the previous progress of changes in the changelogs provided below.
But wait that is not all the developer has in store for us, as another project is also in the works for the PS4., A very cool project (Ps4 Player), while its not released yet the developer is giving plenty of progress reports and some sneak peak video demos of an upcoming media player, Checkout the details and demonstrations in the tab belowContinue reading
RPCS3 (PS3 Emulator) - February 2019 Progress Report - Support for additional Accessories!The PS3 saw different Controller Designs and additional Accessories within it's life cycle. The early readers from this Site can probably remember how Sony themselves presented a "boomerang-styled" Controller back at E3 2005, which (sadly?) never saw a release. But as for nearly every Console, there were Game Titles, which supported to be played with additional Accessoires, sometimes they were even mandatory. Either you wanted to play specific Game Titles where a webcam tracked your motion moving by displaying it in-Game, you wanted to get better and faster Results with a Steering Wheel while Racing with other Players online with some fancy Cars, or maybe you really thought you can actually sing (which you can't of course ) so you played with some Microphones to sing various Songs in karaoke. But whichever of those mentioned Accessoires you prefered, maybe you want to use them as well when you want to emulate those Game Titles on your PC! How you might ask? Don't worry. This is one of many Improvements which this months Progress Report from the Great Team behind the RPCS3 Emulator is about. So better grab your old Guitar-Controllers and "Let's Rock'n'Roll!" Continue reading
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