CVE-2016-9040 — MEDIUM (5.5)

Vulnerability Description

An exploitable denial of service exists in the the Joyent SmartOS OS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFSADDENTRIES when used with a 32 bit model. An attacker can cause a buffer to be allocated and never freed. When repeatedly exploit this will result in memory exhaustion, resulting in a full system denial of service.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Joyent	Smartos	20161110t013148z

Related Weaknesses (CWE)

CWE-400

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0258ExploitTechnical DescriptionThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0258ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2016-9040?

CVE-2016-9040 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An exploitable denial of service exists in the the Joyent SmartOS OS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFSADDENTRIES wh...

How severe is CVE-2016-9040?

CVE-2016-9040 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-9040?

Check the references section above for vendor advisories and patch information. Affected products include: Joyent Smartos.