Bug 1546610 (CVE-2018-7262)

Summary:	CVE-2018-7262 ceph: Unauthenticated malformed HTTP requests handled by rgw_civetweb.cc:RGW::init_env() can lead to denial of service
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	branto, cbodley, danmick, david, fedora, i, jonathan, josef, kdreyer, kkeithle, ramkrsna, sisharma, steve
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A NULL pointer dereference flaw was found in RADOS Gateway HTTP request handling when using the Civetweb native webserver. An unauthenticated attacker could crash RADOS Gateway server by sending malicious HTTP requests.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-05-23 09:35:44 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:	1546611, 1546613, 1547673, 1548926, 1548927, 1548928
Bug Blocks:	1546612, 1550199

Description Sam Fowler 2018-02-19 02:57:00 UTC

In ceph, HTTP request headers without a ":" character that are handled in rgw_civetweb.cc:RGW::init_env() can cause variables to be set to NULL, leading to a crash or other potentially unspecified behaviour.

Upstream Pull Request:

https://github.com/ceph/ceph/pull/20403

Comment 1 Sam Fowler 2018-02-19 02:57:35 UTC

Created ceph tracking bugs for this issue:

Affects: fedora-all [bug 1546611]

Comment 7 Siddharth Sharma 2018-02-26 03:58:32 UTC

Upstream Pull Request:

https://github.com/ceph/ceph/pull/20564

Comment 11 Siddharth Sharma 2018-03-15 14:27:18 UTC

upstream fix:

https://github.com/ceph/ceph/pull/20564/commits/b206912d753778b8d889a903f509a6f951cf41a4?diff=unified

Comment 12 errata-xmlrpc 2018-03-15 18:29:20 UTC

This issue has been addressed in the following products:

  Red Hat Ceph Storage 3.0 for Ubuntu 16.04

Via RHSA-2018:0546 https://access.redhat.com/errata/RHSA-2018:0546

Comment 13 errata-xmlrpc 2018-03-15 18:30:55 UTC

This issue has been addressed in the following products:

  Red Hat Ceph Storage 3 for Red Hat Enterprise Linux 7

Via RHSA-2018:0548 https://access.redhat.com/errata/RHSA-2018:0548

Comment 16 Boris Ranto 2018-05-22 22:39:07 UTC

This was fixed upstream in 12.2.4, the latest rebase fixed it downstream, too.

Comment 17 Boris Ranto 2018-05-22 22:42:40 UTC

I am sorry, I had too many tabs opened and I have accidentally closed the wrong bug.