CVE-2018-15479 Auth bypass in n/a

Medium 6.5 Published Updated

Attackers can impersonate myStrom IoT devices by guessing MAC addresses due to missing device-to-cloud authentication, allowing unauthorized control.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-15479?

CVE-2018-15479 is a medium-severity authentication bypass vulnerability in n/a, published on 30 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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. 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.

Weakness: CWE-287

Which versions are affected by CVE-2018-15479?

It affects 6 products.

Products include Mystrom Wifi Bulb Firmware, Mystrom Wifi Button Firmware, Mystrom Wifi Button Plus Firmware, Mystrom Wifi Led Strip Firmware, Mystrom Wifi Switch Eu Firmware, Mystrom Wifi Switch Firmware.

How do I fix CVE-2018-15479?

No fix has been published for CVE-2018-15479 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-15479 being exploited?

There is no known exploitation of CVE-2018-15479 in the wild and no public exploit code.

Sources

Also known as GHSA-2v7m-c8xh-937p.

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