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submitted 1 month ago* (last edited 1 month ago) by otter@lemmy.ca to c/technology@lemmy.world

cross-posted from: https://lemmy.ca/post/37638868 !privacy@lemmy.dbzer0.com

This affects Signal too

An issue with Cloudflare allows an attacker to find which Cloudflare data center a messaging app used to cache an image, meaning an attacker can obtain the approximate location of Signal, Discord, Twitter/X, and likely other chat app users. In some cases an attacker only needs to send an image across the app, with the target not clicking it, to obtain their location.

https://gist.github.com/hackermondev/45a3cdfa52246f1d1201c1e8cdef6117?ref=404media.co

Signal, an open-source encrypted messaging service, is widely used by journalists and activists for its privacy features. Internally, the app utilizes two CDNs for serving content: cdn.signal.org (powered by CloudFront) for profile avatars and cdn2.signal.org (powered by Cloudflare) for message attachments.

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[-] melroy@kbin.melroy.org 6 points 1 month ago

Another reason to not use Cloudflare. Not that long ago they also "lost the log records" (this incident happened on November 14, 2024). I strongly believe the internet can become better without Cloudflare, especially now basically the whole world is depending on it.

[-] melroy@kbin.melroy.org 1 points 1 month ago

Sorry to see so many people still down vote me. What is wrong with you? The internet has become a joke. Moving all to cloudflare will only make the problem worse.

this post was submitted on 21 Jan 2025
129 points (100.0% liked)

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