PT-2018-13044 · Mystrom · Mystrom Wifi Button Plus+6

Published 2018-08-30 · Updated 2018-11-09 · CVE-2018-15479

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions myStrom WiFi Switch V1 versions prior to 2.66 myStrom WiFi Switch V2 versions prior to 3.80 myStrom WiFi Switch EU versions prior to 3.80 myStrom WiFi Bulb versions prior to 2.58 myStrom WiFi LED Strip versions prior to 3.80 myStrom WiFi Button versions prior to 2.73 myStrom WiFi Button Plus versions prior to 2.73

Description An issue was discovered where devices did not authenticate themselves to the cloud in device to cloud communication. This lack of device authentication allowed an attacker to impersonate any device by guessing or learning their MAC address.

Recommendations For myStrom WiFi Switch V1 versions prior to 2.66, update to version 2.66 or later. For myStrom WiFi Switch V2 versions prior to 3.80, update to version 3.80 or later. For myStrom WiFi Switch EU versions prior to 3.80, update to version 3.80 or later. For myStrom WiFi Bulb versions prior to 2.58, update to version 2.58 or later. For myStrom WiFi LED Strip versions prior to 3.80, update to version 3.80 or later. For myStrom WiFi Button versions prior to 2.73, update to version 2.73 or later. For myStrom WiFi Button Plus versions prior to 2.73, update to version 2.73 or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2018-15479

Affected Products

Mystrom Wifi Bulb

Mystrom Wifi Button

Mystrom Wifi Button Plus

Mystrom Wifi Led Strip

Mystrom Wifi Switch Eu

Mystrom Wifi Switch V1

Mystrom Wifi Switch V2

References · 3

• https://osv.dev/vulnerability/CVE-2018-15479 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-15479 · Security Note
• https://swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-15476ff.txt · Note