CVE-2018-3832 — CRITICAL (9.0)

Vulnerability Description

An exploitable firmware update vulnerability exists in Insteon Hub running firmware version 1013. The HTTP server allows for uploading arbitrary MPFS binaries that could be modified to enable access to hidden resources which allow for uploading unsigned firmware images to the device. To trigger this vulnerability, an attacker can upload an MPFS binary via the '/mpfsupload' HTTP form and later on upload the firmware via a POST request to 'firmware.htm'.

CVSS Score

9.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Insteon	Hub 2245-222 Firmware	1013
Insteon	Hub 2245-222	-

Related Weaknesses (CWE)

CWE-434

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0511Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/144976Third Party AdvisoryVDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0511Third Party Advisory

FAQ

What is CVE-2018-3832?

CVE-2018-3832 is a vulnerability with a CVSS score of 9.0 (CRITICAL). An exploitable firmware update vulnerability exists in Insteon Hub running firmware version 1013. The HTTP server allows for uploading arbitrary MPFS binaries that could be modified to enable access t...

How severe is CVE-2018-3832?

CVE-2018-3832 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-3832?

Check the references section above for vendor advisories and patch information. Affected products include: Insteon Hub 2245-222 Firmware, Insteon Hub 2245-222.