CVE-2018-1166

Name: CVE-2018-1166
Creator: NVD / NIST
Published: 2018-02-21T14:29:00.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.40%

Last modified Jun 17, 2026

CVE-2018-1166 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

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 SMBIOC_TREE_RELE ioctl. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4984.

Metrics

EPSS Probability

0.40%

31.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Joyent	Smartos	20170803

References

https://help.joyent.com/hc/en-us/articles/360000124928Vendor Advisory
https://zerodayinitiative.com/advisories/ZDI-18-159Third Party Advisory, VDB Entry
https://help.joyent.com/hc/en-us/articles/360000124928Vendor Advisory
https://zerodayinitiative.com/advisories/ZDI-18-159Third Party Advisory, VDB Entry

Timeline

Published: Feb 21, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1166?

How severe is CVE-2018-1166?

Severity scoring for CVE-2018-1166 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1166?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1166?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST