CVE-2018-1171

Name: CVE-2018-1171
Creator: NVD / NIST
Published: 2018-03-19T18:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2018-1171 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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 0.45% 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 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.

Metrics

CVSS 3.1

7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.45%

35.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Joyent	Smartos	20170803-20170803t064301z
Oracle	Solaris	10
Oracle	Solaris	11.3

References

http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/104799Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041303Third Party Advisory, VDB Entry
https://help.joyent.com/hc/en-us/articles/360000608188Vendor Advisory
https://zerodayinitiative.com/advisories/ZDI-18-236Third Party Advisory, VDB Entry
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/104799Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041303Third Party Advisory, VDB Entry
https://help.joyent.com/hc/en-us/articles/360000608188Vendor Advisory
https://zerodayinitiative.com/advisories/ZDI-18-236Third Party Advisory, VDB Entry

Timeline

Published: Mar 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1171?

How severe is CVE-2018-1171?

CVE-2018-1171 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1171?

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-2018-1171?

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

Scan your code now

Source: NVD / NIST