Note: This post now archived and as such no longer works
This is possible because Lemmy doesn’t proxy external images but instead loads them directly. While not all that bad, this could be used for Spy pixels by nefarious posters and commenters.
Note, that the only thing that I willingly log is the “hit count” visible in the image, and I have no intention to misuse the data.
The best part is it also works on DMs, so it’s trivial to get any persons IP address. Want an admins IP address? Just DM them a message with an embedded spy pixel.
I emailed the lemmy developers about this a few weeks ago since IMHO it’s a pretty big security issue, no reply.
“an unknown (mobile?) client”
Well, nice try anyway.
Same, woo for my security I guess!
sPoOky
The post know where I am because it knows where I am not.
You are viewing this from a
(rand() 2 == 0) ? "android" : "apple"phone.It got my OS right, but browser wrong. Tested both Librewolf and Vivaldi, which it sees as Firefox and Chrome.
It did not get my setup right. I guess that newsboat+PostmarketOS+Pinephone is exotic enough.
Hello fellow pinephone enjoyer. I haven’t used mine in a while. Has the battery life situation improved much?
Not really. I use it without SIM card, with the extra battery housed in the keyboard I have to plug it every 2 days.
One day…
Very interesting, I think I’ll probably be using Tor for my Lemmy usage from now on, or at least a VPN since this does have the potential to be used maliciously in personal DDoS attacks.
Annoyingly, lemmy.world blocks tor. They should host a tor onion service
Are you sure about that because I can open and view lemmy.world just fine in Tor, I think what they mean is federation between hidden services i.e. lemmyinstanceoniondomain.onion is blocked or just not implemented.
I can if I use a browser and solve the cloud flare capt ha, but not if I use sync behind tor
I haven’t gotten Cloudflare captchas on lemmy.world yet, Haven’t tried using an app with Tor, as a general rule it’s best to use Tor through the browser since it has features to reduce fingerprinting and MITMs
“You are viewing this from ome Mobile web View on Andr”… Uhhhh… Ok?
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Whatever Software you’re using to view this caches the image
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Your assumption that doxxing is somehow the only valid privacy/security concern is misguided.
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This is Lemmy, you are willing to let people know you use windows??
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Now you’re just trying to pick a fight.
