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Sony to Unveil Updated Party Features in PlayStation Preview Program
Similar to what they did for the PSN Online ID Changes testing, today Sony announced that those who join their PlayStation Preview Program will get early access to updated party features including 16-player parties, chat transcription and improved audio quality. 
Below are all the details from Sony Social Media Director Sid Shuman, to quote:
We are getting ready to test an update to the Party function on PlayStation 4, and can use some help from PS4 owners! Starting today, sign up for a chance to participate in the Preview Program for an advance look at the new Party features.
Register here for a chance to participate in the Preview Program as a PS4 System Software Beta tester*. Once you have joined and are accepted as a tester, you can expect to see the following updates to Party:
Party Chat Transcription
In addition, U.S. testers will have early access to the chat transcription feature that will be available through Party and the PS4 Second Screen app. By using this feature, you can convert Party voice chat to text on your Second Screen app, or enter text into your app which will be read aloud to other Party members. This feature will only be available in the U.S., and only in English.
Many thanks to everyone who’s already signed up or plans to do so! Your feedback helps us make our feature updates even better.
*Participants must be 18 years or older and residents of the U.S. or Canada.
**Features and changes in a Preview Program are not final, with no fixed release date...
Below are all the details from Sony Social Media Director Sid Shuman, to quote:
We are getting ready to test an update to the Party function on PlayStation 4, and can use some help from PS4 owners! Starting today, sign up for a chance to participate in the Preview Program for an advance look at the new Party features.
Register here for a chance to participate in the Preview Program as a PS4 System Software Beta tester*. Once you have joined and are accepted as a tester, you can expect to see the following updates to Party:
- Increased maximum Party participants from 8 to 16
- Improved audio quality for voice chat
- Improved network connectivity
Party Chat Transcription
In addition, U.S. testers will have early access to the chat transcription feature that will be available through Party and the PS4 Second Screen app. By using this feature, you can convert Party voice chat to text on your Second Screen app, or enter text into your app which will be read aloud to other Party members. This feature will only be available in the U.S., and only in English.
Many thanks to everyone who’s already signed up or plans to do so! Your feedback helps us make our feature updates even better.
*Participants must be 18 years or older and residents of the U.S. or Canada.
**Features and changes in a Preview Program are not final, with no fixed release date...
PS4 System Software / Firmware 6.71 Released, Don't Update!
Straight out of the WTF department, following their PS4 6.70 Firmware release just a few days ago today Sony pushed yet another PS4 System Software / Firmware 6.71 update with the changelog simply stating "This system software update improves system performance" again. 
As always DON'T UPDATE if you wish to use PS4 game backups and homebrew apps when a new jailbreak exploit arrives, and we'll add any related Tweets below as PlayStation 4 scene developers have a chance to examine it.
Download: PS4 Firmware 6.71 Update (US) / PS4 Firmware 6.71 Update (EU) / PS4 Firmware 6.71 Update (UK) / PS4 Firmware 6.71 Update (AU/NZ) / PS4 Firmware 6.71 Update (JP)
Changelog:
About PlayStation 4 system software version 6.71
Main features in version 6.71 update
Here are some guides for those new on How to Block PS4 Firmware Updates, How to Delete Downloaded PS4 Update PUPs that haven't been installed yet, How to Update to a Specific PS4 Firmware and also some PS4 HEN Update Blocker Payloads...
As always DON'T UPDATE if you wish to use PS4 game backups and homebrew apps when a new jailbreak exploit arrives, and we'll add any related Tweets below as PlayStation 4 scene developers have a chance to examine it.Download: PS4 Firmware 6.71 Update (US) / PS4 Firmware 6.71 Update (EU) / PS4 Firmware 6.71 Update (UK) / PS4 Firmware 6.71 Update (AU/NZ) / PS4 Firmware 6.71 Update (JP)
Changelog:
About PlayStation 4 system software version 6.71
Main features in version 6.71 update
- This system software update improves system performance.
Here are some guides for those new on How to Block PS4 Firmware Updates, How to Delete Downloaded PS4 Update PUPs that haven't been installed yet, How to Update to a Specific PS4 Firmware and also some PS4 HEN Update Blocker Payloads...
PS4 Kernel Bug Details by TheFloW, Fixed Between 5.05-6.20 OFW
Awhile back popular PS Vita scene developer TheFloW hinted that he'll be looking at the PS4 kernel in his H-ENcore Write-up, and today he shared on Twitter some details on a PS4 Kernel Bug discovered stating it is fxed somewhere between 5.05 and 6.20 OFW... with the PS4 Kernel Exploit 5.05 / 5.07 being the last public jailbreak currently available. 
PS4 kernel bug: sys_randomized_path could leak arbitrary amount of kernel stack:
Unfortunately fixed somewhere between 5.05 and 6.20.
Update: TheFloW said his bug is not exploitable:
Nvm this bug is not exploitable, as copyout will simply abort if it dst+len wraps around or is higher than 0x8000000000000000. However, Sony did actually fix it by adding a max_len > 0 check, so I thought it could be abused.
From Pastebin.com:
PS4 kernel bug: sys_randomized_path could leak arbitrary amount of kernel stack:
Code:
char k_path[0x100];
int64_t max_len = fuword64(max_len_ptr);
if (path_len <= max_len) {
copyout(k_path, out_path, path_len);
} else {
copyout(k_path, out_path, max_len - 1);
}Nvm this bug is not exploitable, as copyout will simply abort if it dst+len wraps around or is higher than 0x8000000000000000. However, Sony did actually fix it by adding a max_len > 0 check, so I thought it could be abused.
From Pastebin.com:
Code:
// <6.00 bug (not exploitable) found by TheFloW, JS adaptation by CelesteBlue only useful for when we find an actual vulnerable syscall
var try_sys_randomized_path_leak = function() {
var mem = p.malloc(0x1000000); // allocate buffer
alert(p.hexdump(mem, 0x500)); // display zeroed buffer
var len_pointer = p.malloc(0x08); // allocate length
p.write8(len_pointer, new int64(0, 2147483648)); // write length: 0x8000000000000000
alert(p.hexdump(len_pointer, 8)); // display length
alert(p.syscall("sys_randomized_path", 0, mem, len_pointer)); // trigger bug
alert(p.hexdump(mem, 0x500)); // display buffer, should have been modified if success
};
Orbital PS4 Emulator Gets DualShock 4 Support, Latest Demo by AlexAltea
Last year we saw a PlayStation 4 Virtualization and Experiments in PS4 Emulation demonstration of the Orbital PS4 Emulator, and recently developer @AlexAltea shared on Twitter the latest video demo from his YouTube Channel featuring DualShock 4 Controller support! 
Download: orbital-master.zip / GIT / Site / Orbital Dumper
From the video's description, to quote: Experiments in PS4 emulation.
Current status: After last update, we have implemented the Aeolia XHCI device (USB 3.0) to get past the "Connect DualShock" message by connecting an actual gamepad to the PS4 VM via host passthrough.
There were many issues in our way there and we have fixed those with the invaluable help of jarves. As a future goal, we also want to implement a virtual USB device for the DualShock 4 (as opposed to using an actual physical device).
In addition, this video will give an overview of the current status of Orbital and give details on another ongoing effort: orbital-ng, our future replacement for orbital-qemu.
Links
Orbital #4: Performance Improvements...
Download: orbital-master.zip / GIT / Site / Orbital Dumper
From the video's description, to quote: Experiments in PS4 emulation.
Current status: After last update, we have implemented the Aeolia XHCI device (USB 3.0) to get past the "Connect DualShock" message by connecting an actual gamepad to the PS4 VM via host passthrough.
There were many issues in our way there and we have fixed those with the invaluable help of jarves. As a future goal, we also want to implement a virtual USB device for the DualShock 4 (as opposed to using an actual physical device).
In addition, this video will give an overview of the current status of Orbital and give details on another ongoing effort: orbital-ng, our future replacement for orbital-qemu.
Links
- Code: https://github.com/AlexAltea/orbital/
- Talk: Orbital: A low-level PS4 emulator | Lightning Talks Overflow @ 35C3
- Resources: https://github.com/AlexAltea/orbital/wiki/Resources#hardware
- Discord: https://discord.me/orbitalemu
- IRC: #orbital-emu @ irc.freenode.net
- Track: MODERNS
- Figuratives (DEF CON Edit)
- Album: DEF CON 26: The Official Soundtrack
- Link: https://defconcommunications.bandcamp.com/track/figuratives-def-con-edit
Orbital #4: Performance Improvements...