The DROWN Attack (33c3)
Channel: media.ccc.de
Date: 2016-12-27

Breaking TLS using SSLv2

We present DROWN, a novel cross-protocol attack on TLS that uses a server supporting SSLv2 as an oracle to decrypt modern TLS connections. Using Internet-wide scans, we find that 33% of all HTTPS servers are vulnerable to this protocol-level attack.



['Sebastian Schinzel']