Bug 1397474 (CVE-2016-6817) - CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser
Summary: CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-6817
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1397493
Blocks: 1397645
TreeView+ depends on / blocked
 
Reported: 2016-11-22 15:44 UTC by Adam Mariš
Modified: 2021-10-21 11:48 UTC (History)
40 users (show)

Fixed In Version: tomcat 8.5.8
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Clone Of:
Environment:
Last Closed: 2021-10-21 11:48:03 UTC


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Description Adam Mariš 2016-11-22 15:44:56 UTC
The HTTP/2 header parser entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

Affects: 8.5.0 to 8.5.6

Upstream patch:

http://svn.apache.org/viewvc?view=rev&rev=1765798

Comment 1 Coty Sutherland 2016-11-22 15:47:30 UTC
This only affects 8.5+, which isn't shipped any any Red Hat distribution yet.

Comment 2 Adam Mariš 2016-11-22 16:10:22 UTC
Created tomcat tracking bugs for this issue:

Affects: fedora-all [bug 1397493]


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