Cloudflare Workers Spectre Attack Leaks JWT at 12 Bits/s
Brief
Cybersecurity researchers from TU Graz have disclosed a highly sophisticated Remote-Timer-as-a-Service side-channel execution flaw against serverless edge environments. In a controlled production test, this cloudflare workers spectre attack (a modern evolution of the foundational CVE-2017-5753 Spectre flaw) successfully leaked a JSON Web Token (JWT) from a co-located Worker at an astonishing rate of 12 bits ...
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