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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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:
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