Vulnerability identifier: #VU30543

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-8179

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Docker
Server applications / Virtualization software

Vendor: Docker Inc.

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Docker Engine before 1.8.3 and CS Docker Engine before 1.6.2-CS7 does not properly validate and extract the manifest object from its JSON representation during a pull, which allows attackers to inject new attributes in a JSON object and bypass pull-by-digest validation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Docker: 1.8.0 - 1.8.2

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External links
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00014.html
http://lists.opensuse.org/opensuse-updates/2015-10/msg00036.html
http://blog.docker.com/2015/10/security-release-docker-1-8-3-1-6-2-cs7/
http://github.com/docker/docker/blob/master/CHANGELOG.md#183-2015-10-12
http://groups.google.com/forum/#!msg/docker-dev/bWVVtLNbFy8/UaefOqMOCAAJ
http://www.docker.com/legal/docker-cve-database

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.