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Ok, this post lacks an important bit of information, and gets something wrong: The reason we disabled SSLv2 at scale is not that it is in itself insecure, or th
by hannob 3y ago
Ok, this post lacks an important bit of information, and gets something wrong: The reason we disabled SSLv2 at scale is not that it is in itself insecure, or that it is old or anything.
The reason we disabled SSLv2 is the DROWN attack. It is a cross-protocol attack (or let's say cross-protocol-version attack) and the important fact to understand here is: The mere fact that you have SSLv2 enabled puts you at risk. It allows an attacker to essentially use your private key.
So, yes, SSLv2 on its own absolutely is a risk if your server supports it. It is completely independent of whether your browser supports it.
See:
https://drownattack.com/ https://drownattack.com/
- rewmie 3y agoThank you for sharing your insight. Your post is one of those things that makes HN great. Outstanding!
- dwroberts 3y ago> The reason we disabled SSLv2 at scale is not that it is in itself insecure, or that it is old or anything. It is just insecure and even the DROWN link states that: > SSLv2 has been known to be insecure for 20 years