TippingPoint Zero Day Initiative

Joyent Smart Data Center Docker API Zone Escape Privilege Escalation Vulnerability

ZDI-17-453: July 7th, 2017


CVSS Score

Affected Vendors


Affected Products

    Smart Data Center

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Joyent Smart Data Center. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the docker API. The process does not properly validate user-supplied data which can allow for the upload of arbitrary files. An attacker can leverage this vulnerability to execute arbitrary code under the context of root.

Vendor Response

Joyent has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2016-08-25 - Vulnerability reported to vendor
    2017-07-07 - Coordinated public release of advisory


This vulnerability was discovered by:
    Ben Murphy