Security Advisory

CVE-2020-27222

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-02-03 15:45:13

Last updated 2024-08-04 16:11:36

Assigner eclipse

State PUBLISHED

Description

In Eclipse Californium version 2.3.0 to 2.6.0, the certificate based (x509 and RPK) DTLS handshakes accidentally fails, because the DTLS server side sticks to a wrong internal state. That wrong internal state is set by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The DTLS server side must be restarted to recover this. This allow clients to force a DoS.

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