Bug 1696062 (CVE-2018-12545)

Summary:	CVE-2018-12545 jetty: large settings frames causing denial of service
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bkearney, chazlett, decathorpe, eclipse-sig, hhorak, java-maint, java-sig-commits, jjohnstn, jorton, krzysztof.daniel, mizdebsk, security-response-team, sochotni, stewardship-sig, tlestach, vondruch
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	jetty 9.4.12	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-25 09:52:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1696088, 1744375, 1744376
Bug Blocks:	1696063

Description Dhananjay Arunesh 2019-04-04 05:57:40 UTC

In Eclipse Jetty version 9.3.x and 9.4.x, the server is vulnerable to Denial of Service conditions if a remote client sends either large SETTINGs frames container containing many settings, or many small SETTINGs frames. The vulnerability is due to the additional CPU and memory allocations required to handle changed settings

Reference:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=538096

Comment 1 Dhananjay Arunesh 2019-04-04 06:59:07 UTC

Created jetty tracking bugs for this issue:

Affects: fedora-all [bug 1696088]

Comment 2 Mikolaj Izdebski 2019-04-04 12:47:15 UTC

Can you provide reproducer and/or reference to upstream fix? I've checked upstream Bugzilla, Github issue tracker and git commit logs, but I can't find anything that relates to this vulnerability.

Comment 3 Huzaifa S. Sidhpurwala 2019-04-11 05:13:47 UTC

In reply to comment #2:
> Can you provide reproducer and/or reference to upstream fix? I've checked
> upstream Bugzilla, Github issue tracker and git commit logs, but I can't
> find anything that relates to this vulnerability.

https://github.com/eclipse/jetty.project/issues/2722
https://github.com/eclipse/jetty.project/commit/9eca404da296f48f7f97eff44e7d1213415bf542

Hope this helps. There is no reproducer available at this moment

Comment 4 Mikolaj Izdebski 2019-04-11 13:59:43 UTC

Thanks, that is enough information for me to fix the issue.

Comment 5 Cedric Buissart 2019-05-22 15:21:41 UTC

Statement:

This issue affects the versions of jetty which is embedded in the nutch package as shipped with Red Hat Satellite 5. The jetty server is not exposed, as such exploitation is difficult, Red Hat Product Security has rated this issue as having security impact of Low in the context of Red Hat Satellite 5. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Comment 6 Joshua Padman 2019-06-12 02:55:17 UTC

This vulnerability is out of security support scope for the following product:
 * Red Hat JBoss Fuse 6

Please refer to https://access.redhat.com/support/policy/updates/jboss_notes for more details.