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...with Apple and Microsoft, Mutahar's turn to take a look at "Web Environment Integrity"

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[-] MaliciousKebab@sh.itjust.works 55 points 1 year ago

Yesterday I saw a meme on reddit about browsers and I did not see even one person mentioning this WEI shit. Everyone was praising Chrome. We are truly fucked.

[-] icepuncher69@sh.itjust.works 27 points 1 year ago* (last edited 1 year ago)

So reddit is definetly being astrosurfed hard isnt it?

[-] Nythos@sh.itjust.works 17 points 1 year ago
[-] icepuncher69@sh.itjust.works 8 points 1 year ago* (last edited 1 year ago)

"Turns around and disarms astronaut"

[-] starman@programming.dev 26 points 1 year ago

It's because people that are about FOSS, freedom and privacy have moved to lemmy already

[-] TwilightVulpine@lemmy.world 18 points 1 year ago

I imagine some will change their minds as soon as ad blocking starts to fail.

[-] Qvest@lemmy.world 4 points 1 year ago

One thing I don't understand about all of this WEI: can't we just use a user agent switcher / spoofer to 'look' like chrome or any other browser and OS to counter this?

[-] Freakmiko@lemmy.world 7 points 1 year ago

This isn't about a user agent. In basic terms there is supposed to be some kind of software that attests that the browser is actually what it claims to be. On the other side, a server can trust this "attester" or not. So even if you wrote software that always attests what the browser claims to be, Netflix for example could say "nah, I don't trust you bro".

On Android this attestation would be done by the Google play services (afaik). On desktop, the OSs would need to implement this attestation.

Please someone correct me if I'm wrong on this.

[-] sloppy_diffuser@sh.itjust.works 7 points 1 year ago

While I haven't seen data to back this up, another Lemmy user called out that Intel chips may have support for running secure code the user cannot modify. The results are signed by an encryption key on the motherboard/CPU that cannot be extracted to fake the signature.

So let's say Chrome asks this hardware module to hash the executable code and some state for itself currently in RAM and sign it with Intel's private key on the motherboard/CPU. The "some state" portion ensures the hash is always unique. Maybe it is just a timestamp. Regardless, this helps the attestation server know Chrome has not been modified because the hash is unique and cannot simply be captured in flight once and then replayed/faked over and over like a user-agent string.

this post was submitted on 13 Aug 2023
364 points (93.8% liked)

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