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Vulnerability record · CVE-2018-1165 · published 21 February 2018

CVE-2018-1165: Joyent smartos heap-based buffer overflow 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 SMB_IOC_SVCENUM IOCTL. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4983.

7.0 CVSS 3.1 High EPSS 0.50% · top 59.2% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
7.0CVSS 3.1 base score, v2 6.9
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
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 SMB_IOC_SVCENUM IOCTL. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the host OS. Was ZDI-CAN-4983.

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

Affected products

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

References

LinkTags
https://help.joyent.com/hc/en-us/articles/360000124928 Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://zerodayinitiative.com/advisories/ZDI-18-158 Third Party AdvisoryVDB Entry
https://help.joyent.com/hc/en-us/articles/360000124928 Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://zerodayinitiative.com/advisories/ZDI-18-158 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2018-1165), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.