Uber: Subdomain takeover on mta1a1.spmail.uber.com

A dangling AWS record on mta1a1.spmail.uber.com allowed a complete DNS zone takeover, giving an adversary access to mta1a1.spmail.uber.com-scoped cookies and CORS, which could facilitate phishing attacks. Thanks again, @0x3c3e! It's so called IP-use-after-free attack. I was able to obtain an IP...