6283a78e4f
Motivation: It is possible for a remote peer to flood the server / client with empty DATA frames (without end_of_stream flag) set and so cause high CPU usage without the possibility to ever hit a limit. We need to guard against this. See CVE-2019-9518 Modifications: - Add a new config option to AbstractHttp2ConnectionBuilder and sub-classes which allows to set the max number of consecutive empty DATA frames (without end_of_stream flag). After this limit is hit we will close the connection. A limit of 10 is used by default. - Add unit tests Result: Guards against CVE-2019-9518 |
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pom.xml |