[riot-notifications] [RIOT-OS/RIOT] pkg/tinydtls: handling of close_notify (#16422)
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Tue Jul 6 10:44:07 CEST 2021
> Possibility of truncation attack
I'm still very confused about that and UDP. e.g. [Wiki](https://en.wikipedia.org/wiki/Transport_Layer_Security)
> SSL 2.0 used the TCP connection close to indicate the end of data. This meant that truncation attacks were possible: the attacker simply forges a TCP FIN, leaving the recipient unaware of an illegitimate end of data message (SSL 3.0 fixed this problem by having an explicit closure alert).
There is just nothing as a TCP FIN for UDP. So, any references, what that attack means for UDP?
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