SARA / Free Tools / CVE / CVE-2018-3926

CVE-2018-3926 — An exploitable integer underflow vulnerability exists in the ZigBee firmware upd

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

CVSS
5.3 MEDIUM
EPSS
0.07% (top 78.30%)
CWE
—
Published
2018-08-28T17:00:00.000Z
Last modified
2024-09-17T00:46:06.691Z
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
TalosSamsungSamsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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