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Bug 1441230 - (CVE-2017-5650) CVE-2017-5650 tomcat: Handling of HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection
CVE-2017-5650 tomcat: Handling of HTTP/2 GOAWAY frame for a connection did no...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20170410,repo...
: Security
Depends On:
Blocks: 1441210
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Reported: 2017-04-11 09:10 EDT by Adam Mariš
Modified: 2017-09-14 11:35 EDT (History)
60 users (show)

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Fixed In Version: tomcat 8.5.13
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Last Closed: 2017-04-18 02:01:08 EDT
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Description Adam Mariš 2017-04-11 09:10:58 EDT 
The handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOW_UPDATE before allowing the application to write more data. These waiting streams each consumed a thread. A malicious client could therefore construct a series of HTTP/2 requests that would consume all available processing threads.

Affected versions: 8.5.0 to 8.5.12

Upstream fix:

https://svn.apache.org/viewvc?view=revision&revision=1788480

Reference:

https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.13
Comment 1 Adam Mariš 2017-04-11 09:33:02 EDT 
Created tomcat tracking bugs for this issue:

Affects: fedora-all [bug 1441242]
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