Bug 1656852 (CVE-2019-3821)

Summary:	CVE-2019-3821 ceph: radosgw: Resource exhaustion via TCP connection to port serving the SSL endpoint
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	branto, danmick, david, fedora, i, josef, kkeithle, loic, ramkrsna, security-response-team, sisharma, steve
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-04-24 15:25:24 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:	1674929
Bug Blocks:	1656854

Description Pedro Sampaio 2018-12-06 13:24:10 UTC

A flaw was found in rados gateway shipped as part of ceph. Unclosed file descriptors while denying TCP connections to SSL serving port pile up until exhaustion of resources leading to potencial remote denial of service.

Comment 2 Siddharth Sharma 2019-02-11 17:19:03 UTC

External References:

https://github.com/ceph/civetweb/pull/33

Comment 3 Siddharth Sharma 2019-02-11 17:19:17 UTC

Created ceph tracking bugs for this issue:

Affects: fedora-all [bug 1674929]

Comment 4 Siddharth Sharma 2019-02-11 17:20:52 UTC

Statement:

This flaw does not  affect ceph version as shipped with Red Hat Ceph Storage 2 and Red Hat Ceph Storage 3.