CVE-2016-9031

low-risk
Published 2016-12-14

An exploitable integer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with 32-bit file systems. An attacker can craft an input that can cause a kernel panic and potentially be leveraged into a full privilege escalation vulnerability. This vulnerability is distinct from CVE-2016-8733.

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / HIGH complexity

Affected Products (1)

Smartos

Affected Vendors

Joyent

References (4)

Broken Link http://www.securityfocus.com/bid/94921
Exploit http://www.talosintelligence.com/reports/TALOS-2016-0249/
Broken Link http://www.securityfocus.com/bid/94921
Exploit http://www.talosintelligence.com/reports/TALOS-2016-0249/
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal