#VU32458 Link following in Docker - CVE-2014-6407

Vulnerability identifier: #VU32458

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-6407

CWE-ID: CWE-59

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 read and manipulate data.

Docker before 1.3.2 allows remote attackers to write to arbitrary files and execute arbitrary code via a (1) symlink or (2) hard link attack in an image archive in a (a) pull or (b) load operation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Docker: 1.3.0 - 1.3.1

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2014-December/145154.html
https://lists.opensuse.org/opensuse-security-announce/2014-12/msg00009.html
https://secunia.com/advisories/60171
https://secunia.com/advisories/60241
https://www.openwall.com/lists/oss-security/2014/11/24/5
https://docs.docker.com/v1.3/release-notes/

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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.