Bug 1644461 (CVE-2018-16846)

Summary:	CVE-2018-16846 ceph: ListBucket max-keys has no defined limit in the RGW codebase
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bmcclain, branto, danmick, david, dblechte, dfediuck, eedri, fedora, i, josef, kdreyer, kkeithle, loic, mgoldboi, michal.skrivanek, ramkrsna, sbonazzo, security-response-team, sherold, sisharma, steve, yturgema
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ceph 13.2.4	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the way the ListBucket function max-keys has no defined limit in the RGW codebase. An authenticated ceph RGW user can cause a denial of service attack against OMAPs holding bucked indices.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-21 20:47:07 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:	1645052, 1645053, 1665973
Bug Blocks:	1644462

Description Pedro Sampaio 2018-10-30 21:35:30 UTC

RGW S3 listing operations provided a way for authenticated users to cause a denial of service against OMAPs holding bucket indices.

References:

http://tracker.ceph.com/issues/35994

Comment 3 Siddharth Sharma 2019-01-14 15:18:41 UTC

External References:

https://ceph.com/releases/13-2-4-mimic-released/

Comment 4 Siddharth Sharma 2019-01-14 15:26:45 UTC

Created ceph tracking bugs for this issue:

Affects: fedora-all [bug 1665973]

Comment 5 Siddharth Sharma 2019-01-15 03:49:08 UTC

upstream fix

https://github.com/ceph/ceph/commit/ab29bed2fc9f961fe895de1086a8208e21ddaddc

Comment 6 errata-xmlrpc 2019-08-21 15:10:19 UTC

This issue has been addressed in the following products:

  Red Hat Ceph Storage 3.3

Via RHSA-2019:2538 https://access.redhat.com/errata/RHSA-2019:2538

Comment 7 errata-xmlrpc 2019-08-21 15:22:10 UTC

This issue has been addressed in the following products:

  Red Hat Ceph Storage 3 for Red Hat Enterprise Linux 7

Via RHSA-2019:2541 https://access.redhat.com/errata/RHSA-2019:2541

Comment 8 Product Security DevOps Team 2019-08-21 20:47:07 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-16846