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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
Apache Tomcat HTTP/2 GOAWAY Frame Processing Error Lets Remote Users Consume Excessive Resources on the Target System
SecurityTracker Alert ID:  1038217
SecurityTracker URL:  http://securitytracker.com/id/1038217
CVE Reference:   CVE-2017-5650   (Links to External Site)
Date:  Apr 11 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.5.0 to 8.5.12, 9.0.0.M1 to 9.0.0.M18
Description:   A vulnerability was reported in Apache Tomcat. A remote user can consume excessive resources on the target system.

A remote user can send a series of specially crafted HTTP/2 requests to trigger a flaw in the processing of HTTP/2 GOAWAY frames and consume all availabl processing threads on the target system.

Chun Han Hsiao reported this vulnerability.

Impact:   A remote user can consume all available processing threads on the target system.
Solution:   The vendor has issued a fix (8.5.13, 9.0.0.M19).

The vendor advisory is available at:

http://tomcat.apache.org/security-8.html
http://tomcat.apache.org/security-9.html

Vendor URL:  tomcat.apache.org/security-9.html (Links to External Site)
Cause:   Resource error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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