Forwarding from an initial email this morning.


Good Morning,

I have been referred to this team in an attempt to have some questions 
answered.  Before I ask those question let me provide a little background on 
how I got to this point.

Vulnerability scans showed that two of my servers in the DMZ came back with 
CVE-2019-10072 vulnerability.  The CVE information is below:

The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection 
window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 
8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection 
window (stream 0) clients were able to cause server-side threads to block 
eventually leading to thread exhaustion and a DoS. 

The question I have is based on the server.xml configuring the connector and 
protocols used.  Below are both of my servers server.xml connector entries:
Server6: <Connector port="443" 

Server5: <Connector port="443" 

What I have highlighted are the protocols that are used for those specific 
connectors on the servers.

So, my question is in your professional opinions, if I'm not calling the http2 
protocol in any connector, my servers shouldn't be susceptible to the 
particular CVE's vulnerability assessment.

Please let me know if this question can be answered.


Tony Justiniano
Engineer I, EUS Engineering

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