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Vulnerability record · CVE-2018-1171 · published 19 March 2018

CVE-2018-1171: Joyent smartos out-of-bounds write vulnerability

JJoyent · Smartos

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.

7.0 CVSS 3.1 High EPSS 0.44% · top 63.6% CWE-787 · Out-of-bounds write
7.0CVSS 3.1 base score, v2 6.9
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2018-1171), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.