Homebrew RAM editing glitch on any 3DS, might lead to an exploit?

[Swiftloke]

most flash carts run in DS (NTR) mode, not DSi (TWL) so you can't access all 16mb of memory like a DSi, can't use the faster processing power like a DSi, and also can't access the entire NAND (see: fwTool)

Key word there: Most.
My point is there's no point attacking Petit Computer.

 

[ihaveahax]

Key word there: Most.
My point is there's no point attacking Petit Computer.

there isn't, for now. maybe.

probably same could be said for other DSiware haxx.

 

[Seriel]

Key word there: Most.
My point is there's no point attacking Petit Computer.

But what if we don't have one of the x% which do run in dsi mode?
Point is, there's nothing to lose.

 

[Swiftloke]

Say, how does DSiWare installing work? Are there any special checks or signatures, or does it act like a Legit CIA or something?

 

[Aletron9000]

so, i guess there is probably no link between smileBASIC and arm9 execution. at most we would get a userland exploit.

 

[ihaveahax]

Say, how does DSiWare installing work? Are there any special checks or signatures, or does it act like a Legit CIA or something?

yes, same checks as any other CIA. signed per-console/etc

 

[Swiftloke]

so, i guess there is probably no link between smileBASIC and arm9 execution. at most we would get a userland exploit.

No, currently we're talking about Petit Computer, its earlier counterpart. There might be a link to that and arm9 code execution.

But what if we don't have one of the x% which do run in dsi mode?
Point is, there's nothing to lose.

Fair enough.

 

[Seriel]

Only problem I can see is that Petit Computer was taken off the eshop long ago, I doubt anyone has it anymore.

 

[Swiftloke]

Only problem I can see is that Petit Computer was taken off the eshop long ago, I doubt anyone has it anymore.

I bought it a couple years ago, I should redownload it from CDN...
That's what my point is about not bothering to look into it. We should just have our devs look into other attack vectors that hold more promise and potential reward. Either that, or have them look into DSi mode in general, and potentially create an exploit there, which could then be ported to Petit Computer, not the other way around.

 

[Sono]

No, currently we're talking about Petit Computer, its earlier counterpart. There might be a link to that and arm9 code execution..

even though for a VERY weird reason SmileBasic requires (and has) pxi:dev, that doesn't always mean ARM9 code execution and downgrading! iirc the last ARM9 code execution exploit was patched after 9.2

I know this was harsh, but get real, people!

 

[Swiftloke]

No, currently we're talking about Petit Computer, its earlier counterpart. There might be a link to that and arm9 code execution.

Fair enough.

 

[Sono]

--can't quote quotes--

Becase you re-quoted yourself, I assume you meant the other thing, that you could run DS(i) homebrew in DSi mode, and not ARM9 keksz-sploit.

Sorry if I offended you, but there are too many nooby posts in this thread

 

[Trinitro21]

I don't think there's any possibility of Petit Computer being similarly exploitable. It doesn't have resizable background layers like SmileBASIC does, and so BGSREEN doesn't even exist there.

 

[Swiftloke]

Becase you re-quoted yourself, I assume you meant the other thing, that you could run DS(i) homebrew in DSi mode, and not ARM9 keksz-sploit.

Sorry if I offended you, but there are too many nooby posts in this thread

There are too many noobs on GBATemp smh [I'm not one of them] I don't blame you
But yes, I did mean a potential arm9 kexploit.

 

[Sono]

But yes, I did mean a potential arm9 kexploit.

wat now you're confusing me

As I said earlier, because we have pxi:dev, that doesn't mean we'll have ARM9 kernel exploit, it just means if we find one, it'll be easier to exploit from SmileBASIC (assuming we find a way to ROP first)
Chances are we'll find an ARM9 exploit is extremely low, and SmileBASIC has nothing to do with it.

 

[Swiftloke]

wat now you're confusing me

As I said earlier, because we have pxi:dev, that doesn't mean we'll have ARM9 kernel exploit, it just means if we find one, it'll be easier to exploit from SmileBASIC (assuming we find a way to ROP first)
Chances are we'll find an ARM9 exploit is extremely low, and SmileBASIC has nothing to do with it.

No, petit computer, rather DSimode in general might have something to do with an arm9 kexploit.

 

[Sono]

No, petit computer, rather DSimode in general might have something to do with an arm9 kexploit.

Well, if you mean Petit Computer, and DS(i), and ARM9, then it's an userland exploit (well, considering the DS is bare metal, there's no userland )

And DSi mode has nothing to do with 3DS mode (exception is fwTool), so no ARM9 kernel exploit for you

 

[Swiftloke]

Well, if you mean Petit Computer, and DS(i), and ARM9, then it's an userland exploit (well, considering the DS is bare metal, there's no userland )

And DSi mode has nothing to do with 3DS mode (exception is fwTool), so no ARM9 kernel exploit for you

Actually, I think there might be a way. Except I'm on a phone and am too lazy to write it out.

 

[dankzegriefer]

Testing...

 

[seijinshu]

Actually, I think there might be a way. Except I'm on a phone and am too lazy to write it out.

Tell me about it in a PM. I have a9lh so I can grab whatever I need, plus I've learned a little more about arm code execution.