Vulnerabilities
Underminr Flaw Revives Domain Fronting, Affecting 88 Million Domains, ADAMnetworks Says
Researchers at ADAMnetworks disclosed Underminr, a domain-fronting-style flaw they say affects roughly 88 million domains. Its defining property is invisibility: because the TLS SNI and HTTP Host header match, the CDN-side checks built to kill domain fronting never trigger.