Vulnerability Details : CVE-2018-3834

An exploitable permanent denial of service vulnerability exists in Insteon Hub running firmware version 1013. The firmware upgrade functionality, triggered via PubNub, retrieves signed firmware binaries using plain HTTP requests. The device doesn't check the kind of firmware image that is going to be installed and thus allows for flashing any signed firmware into any MCU. Since the device contains different and incompatible MCUs, flashing one firmware to the wrong MCU will result in a permanent brick condition. To trigger this vulnerability, an attacker needs to impersonate the remote server "cache.insteon.com" and serve a signed firmware image.
Published 2018-08-02 19:29:01
Updated 2023-02-03 18:42:43
Source Talos
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-3834

EPSS FAQ
0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-3834

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH AV:N/AC:M/Au:N/C:N/I:P/A:C
8.6
7.8
 NIST
8.7
 HIGH CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
2.2
5.8
 Talos
7.4
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
2.2
5.2
 NIST

CWE ids for CVE-2018-3834

  • The product does not properly verify that the source of data or communication is valid.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-3834

Products affected by CVE-2018-3834

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