Bug 1474893 (CVE-2017-11468)

Summary:	CVE-2017-11468 docker-distribution: Does not properly restrict the amount of content accepted from a user
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	admiller, fkluknav, golang-updates, jchaloup, lsm5, marianne
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	docker-registry 2.6.2	Doc Type:	If docs needed, set a value
Doc Text:	It was found that docker-distribution did not properly restrict memory allocation size for a registry instance through the manifest endpoint. An attacker could send a specially crafted request that would exhaust the memory of the docker-distribution service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-09-05 12:29:58 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:	1474894, 1479705, 1479706
Bug Blocks:	1474896

Description Andrej Nemec 2017-07-25 15:10:28 UTC

Docker Registry in Docker Distribution does not properly restrict the amount of content accepted from a user, which allows remote attackers to cause a denial of service (memory consumption) via the manifest endpoint. 

Upstream patch:

https://github.com/docker/distribution/commit/29fa466debaabb64f8559116bbffd20a289d523c

References:

https://github.com/docker/distribution/releases/tag/v2.6.2

Comment 1 Andrej Nemec 2017-07-25 15:10:53 UTC

Created docker-distribution tracking bugs for this issue:

Affects: fedora-all [bug 1474894]

Comment 4 errata-xmlrpc 2017-09-05 10:38:26 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extras

Via RHSA-2017:2603 https://access.redhat.com/errata/RHSA-2017:2603