Integer overflow in Samsung Sth-Eth-250
CVE-2018-3926
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Samsung Sth-Eth-250
- Samsung Sth-Eth-250 Firmware — versions 0.20.17
- Talos Samsung — versions Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
Weakness classification (CWE)
References
- www.securityfocus.com/bid/105162 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- talosintelligence.com/vulnerability_reports/TALOS-2018-0593 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3926?
- CVE-2018-3926 is a medium-severity vulnerability in Samsung Sth-Eth-250, classified under Integer Underflow. CVSS score: 5.5/10. Published 2018-08-28.
- How severe is CVE-2018-3926?
- Medium severity. CVSS v3 base score is 5.5 out of 10.