CVE-2018-15478 Detail
Current Description
An issue was discovered in myStrom WiFi Switch V1 before 2.66, WiFi Switch V2 before 3.80, WiFi Switch EU before 3.80, WiFi Bulb before 2.58, WiFi LED Strip before 3.80, WiFi Button before 2.73, and WiFi Button Plus before 2.73. The process of registering a device with a cloud account was based on an activation code derived from the device MAC address. By guessing valid MAC addresses or using MAC addresses printed on devices in shops and reverse engineering the protocol, an attacker would have been able to register previously unregistered devices to their account. When the rightful owner would have connected them after purchase to their WiFi network, the devices would not have registered with their account, would subsequently not have been controllable from the owner's mobile app, and would not have been visible in the owner's account. Instead, they would have been under control of the attacker.
Source:
MITRE
Description Last Modified:
08/30/2018
View Analysis Description
Analysis Description
An issue was discovered in myStrom WiFi Switch V1 before 2.66, WiFi Switch V2 before 3.80, WiFi Switch EU before 3.80, WiFi Bulb before 2.58, WiFi LED Strip before 3.80, WiFi Button before 2.73, and WiFi Button Plus before 2.73. The process of registering a device with a cloud account was based on an activation code derived from the device MAC address. By guessing valid MAC addresses or using MAC addresses printed on devices in shops and reverse engineering the protocol, an attacker would have been able to register previously unregistered devices to their account. When the rightful owner would have connected them after purchase to their WiFi network, the devices would not have registered with their account, would subsequently not have been controllable from the owner's mobile app, and would not have been visible in the owner's account. Instead, they would have been under control of the attacker.
Source:
MITRE
Description Last Modified:
08/30/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
8.1 HIGH
Vector:
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
Change History
1 change record found
- show changes
Initial Analysis -
11/9/2018 10:40:01 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_bulb_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.58
OR
cpe:2.3:h:mystrom:wifi_bulb:-:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_button_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.73
OR
cpe:2.3:h:mystrom:wifi_button:-:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_button_plus_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.73
OR
cpe:2.3:h:mystrom:wifi_button_plus:-:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_led_strip_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.80
OR
cpe:2.3:h:mystrom:wifi_led_strip:-:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_switch_eu_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.80
OR
cpe:2.3:h:mystrom:wifi_switch_eu:-:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_switch_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.66
OR
cpe:2.3:h:mystrom:wifi_switch:v1:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:o:mystrom:wifi_switch_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.80
OR
cpe:2.3:h:mystrom:wifi_switch:v2:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
https://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-15476ff.txt No Types Assigned |
https://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-15476ff.txt Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2018-15478
NVD Published Date:
08/30/2018
NVD Last Modified:
11/09/2018
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