CVE-2018-1171: Joyent Smartos

High severity, CVSS 7.0. EPSS: 0.4% chance of exploitation in the next 30 days.

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. 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 DTrace DOF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-5106.

Affected products

• Joyent Smartos: version 20170803-20170803t064301z only
• Oracle Solaris: version 10 only; version 11.3 only

Published 2018-03-19. Last modified 2026-06-17.