CVE-2018-3926: Integer Underflow
An exploitable integer underflow vulnerability exists in the ZigBee firmware update routine of the hubCore binary of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process incorrectly handles malformed files existing in its data directory, leading to an infinite loop, which eventually causes the process to crash. An attacker can send an HTTP request to trigger this vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-3926?
CVE-2018-3926 is classified as high severity due to the potential for exploitation leading to denial of service.
How do I fix CVE-2018-3926?
To mitigate CVE-2018-3926, users should update their Samsung SmartThings Hub to the latest firmware version released by Samsung.
What devices are affected by CVE-2018-3926?
CVE-2018-3926 specifically affects the Samsung SmartThings Hub STH-ETH-250 running firmware version 0.20.17.
What happens if CVE-2018-3926 is exploited?
Exploitation of CVE-2018-3926 can lead to an infinite loop condition in the hubCore process, effectively causing a denial of service.
Is CVE-2018-3926 a remote or local vulnerability?
CVE-2018-3926 is considered a remote vulnerability, as it can be exploited through malformed files without needing direct access to the device.