new-browserhax

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Port of https://github.com/WiiUTest/JsTypeHax to New 3DS browser.

new-browserhax 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# new-browserhax

# UPDATE: While this Exploit has been patched on 11.14.0-46, you can now use it on select older firmwares if you use a custom dns. Details below.

## Thanks 
- Big thanks to @ChampionLeake for the bug tip!
- The devs who developed JsTypeHax for the WiiU https://github.com/WiiUTest/JsTypeHax . This sploit is loosely modeled after it.
- MrNbaYoh for the nice bit of [advice](https://mrnbayoh.github.io/blog/exploiting-the-3ds-browsers-p2/) to only use similar size objects to overwrite a freed object and his cool dns update check bypass with [SSloth](https://github.com/MrNbaYoh/3ds-ssloth)!
- Yellows8 for the hbmenu loader code: https://github.com/yellows8/3ds_browserhax_common

## Intro

This is a new homebrew menu loading userland exploit for the new3ds browser, Skater.

## What's needed

A new3ds (or new2ds) on firmwares: 
```
11.9.0-42 -> 11.13.0-45 for USA, JAPAN (hbmenu and boot9strap)
11.10.0-43 -> 11.13.0-45 for EUROPE (hbmenu and boot9strap)
11.9.0-36 -> 11.13.0-39 for KOREA (hbmenu and boot9strap)
11.4.0-37 -> 11.8.0-41 for USA, EUROPE, JAPAN (boot9strap only)
```
Note: The last number on the firmware version matters. If you updated from a cartridge to your current firmware, you will need to update to latest firmware as your browser would have been erased by the cart update. If in doubt, just try the qr link below to see if your system is supported. PROCEED TO HAXX means it's supported, otherwise it's not.

## Directions (hbmenu 11.9 - 11.13 only)

0) Go to the dns settings in System Settings and enter the following address for primary and secondary addresses.
`
54.38.133.70
`
1) In the release folder, find your region (USA, EUROPE, JAPAN, KOREA) and take all files *inside* that folder and put them on the root of your sd card. Do not copy the entire region folder over, just its contents.
2) Place the homebrew launcher boot.3dsx from [here](https://github.com/fincs/new-hbmenu/releases/tag/v2.2.0) also on the root of your sd card.
3) With wifi on and working, scan [this QR](http://api.qrserver.com/v1/create-qr-code/?color=000000&bgcolor=FFFFFF&data=https%3A%2F%2Fzoogie.github.io%2Fweb%2Fnbhax&qzone=1&margin=0&size=400x400&ecc=L) after pressing L+R should buttons together and tapping the QR button on the bottom screen. The link to the sploit page is https://zoogie.github.io/web/nbhax if you want to type it in manually and/or bookmark it.
4) Click on the "PROCEED TO HAXX" button and the exploit should then load the homebrew menu. Make sure to add homebrews to the sdmc:/3ds folder first in order to have something to run. See other guides online about what you can do with homebrew.

## Directions (boot9strap 11.4 - 11.13 only)

https://3ds.hacks.guide (coming soon)

## Exploit details

This is the same Use-After-Free bug exploited in the WiiU version, with some changes. The input.type="image" -> "radio" is changed to input.type="image" -> "hidden" in this one to achieve compatibility, for instance.

## Troubleshooting (hbmenu only)

- Problem: The 3ds freezes on a yellow screen. 
Solution: Try again. Boot rate is about 75-80%. This has always been an issue with *hax homebrew and not specific to this implementation.* If this keeps occurring over and over, it's likely being caused by running browserhax while cfw (luma3ds + boot9strap) is already installed -- don't do this! Follow https://3ds.hacks.guide for proper instructions on how to launch .3dsx homebrew under cfw. Hard freezing with regular screens (ie no solid colored screen) can also indicate running under cfw.

- Problem: The 3ds freezes on some other color screen or "An error has occured" prompt shows up. 
Solution: Make sure you have *all* the correct files. Check your region is correct. 
At minimum, make sure to have the below 3 files in the sd root as shown. 
```
sdmc:/arm11code.bin
sdmc:/browserhax_hblauncher_ropbin_payload.bin
sdmc:/boot.3dsx
```

- Problem: I still can't get the exploit to work and the two solutions above didn't help. 
Solution: Go to your browser's settings and select Delete Cookies first then Reset Save Data. After being exited automatically, relaunch the browser and go to bookmarks. Create a bookmark with https://zoogie.github.io/web/nbhax as the address (or just edit an existing bookmark). Exit the browser, then launch it again, and then finally launch that nbhax bookmark you just made. It may also be helpful to power cycle the 3ds in between attempts if the exploit is still being stubborn.

## FAQ
Q: Will you support old3ds, old2ds? 
A: https://github.com/zoogie/old-browserhax

Q: Can I install [unSAFE_MODE](https://github.com/zoogie/unSAFE_MODE) with this to get cfw? 
A: Absolutely, be my guest : ) You can boot slotTool.3dsx and install the hacked wifi slots, then run the unSAFE_MODE exploit. No explicit directions will be given for that here, but guides should pop up soon with directions.

Q: Where did this browser exploit come from originally? 
A: CVE-2013-2857 https://bugs.chromium.org/p/chromium/issues/detail?id=240124 . It was ported to the WiiU a couple of years ago and I think it's still the main userland entrypoint for that homebrew scene.

Q: The 3ds_browserhax_common code you used works in php server code, why does your hax just use a github io page? 
A: I used a local webserver to emit the unescape output of y8's hb loading code, then converted it to a u32int array for my implementation. I used [this script](https://gist.github.com/zoogie/42adb5eab6b7f813f569f5250f7c800f) for the conversion. I just really wanted to avoid having to set up a server or asking someone else for that favor.

Q: Will this exploit be fixed in a firmware update? 
A: It was fixed on firmware 11.14 but MrNbaYoh's ssloth exploit revived it on 11.13 and below with a server check bypass.

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