Integer underflow in SmartThings Hub STH-ETH-250 - CVE-2018-3926
Published: July 30, 2018
Vulnerability identifier: #VU14101
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-3926
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the ZigBee firmware update routine of the
The weakness exists in the ZigBee firmware update routine of the
hubCore binary of the Samsung SmartThings Hub due to integer underflow when incorrect handling of malformed files existing in its "data" directory. A remote attacker can send an HTTP request, trigger infinite loop and cause the service to crash.
Affected software
SmartThings Hub STH-ETH-250
How to mitigate CVE-2018-3926
Install update from vendor's website.