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CVE-2018-3876 Details

Description

An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, which has a size of 64 bytes. An attacker can send an arbitrarily long "bucket" value in order to exploit this vulnerability.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0555	CVE	ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0555	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
samsung sth-eth-250 firmware	0.20.17
CPE cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17:::::::* Remediation No remediation found in references.
samsung sth-eth-250	All versions
CPE cpe:2.3:h:samsung:sth-eth-250:-:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 3, 2023	Modified Analysis	[email protected]
Apr 19, 2022	CVE Modified	[email protected]
Nov 9, 2018	Initial Analysis	[email protected]