Cloudbleed — Your Credentials Cached in Search Engines

In case you are still wondering about the SHA-1 being broken and if someone is going to be spending hundreds of thousands of dollars to create a fake Certificate Authority and sniff your OkCupid credentials, don’t worry. Why spend so much money when your credentials are being cached by search engines?… Wait, what?A serious combination of bugs, dubbed Cloudbleed by [Tavis Ormandy], lead to uninitialized memory being present in the response generated by the reverse proxies and leaked to the requester. Since these reverse proxies are shared between Cloudflare clients, this makes the problem even worst, since random data from random clients was leaking. It’s sort of like Heartbleed for HTTP requests. The seriousness of the issue can be fully appreciated in [Tavis] words:“The examples we’re finding are so bad, I cancelled some weekend plans to go into the office on Sunday to help build some tools to cleanup. I’ve informed cloudflare what I’m working on. I’m finding private messages from major dating sites, full messages from a well-known chat service, online password manager data, frames from adult video sites, hotel bookings. We’re talking full https requests, client IP addresses, full responses, cookies, passwords, keys, data, everything.”

Source: Cloudbleed — Your Credentials Cached in Search Engines | Hackaday

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