Details of VAR-201809-1063

ID

VAR-201809-1063

CVE

CVE-2018-3876

TITLE

Samsung SmartThings Hub STH-ETH-250-Firmware Buffer error vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-010108

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. Samsung SmartThings Hub STH-ETH-250-Firmware Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. SamsungSmartThingsHubSTH-ETH-250 is a smart home management device from South Korea's Samsung. video-coreHTTPserver is one of the HTTP servers

Trust: 2.34

sources: NVD: CVE-2018-3876 // JVNDB: JVNDB-2018-010108 // CNVD: CNVD-2018-20132 // VULHUB: VHN-133907 // VULMON: CVE-2018-3876

IOT TAXONOMY

category:	['Network device']	sub_category:	-	Trust: 0.6
category:	['home & office device']	sub_category:	smart home device	Trust: 0.1
category:	['home & office device']	sub_category:	smart home controller	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-20132

AFFECTED PRODUCTS

vendor:	samsung	model:	sth-eth-250	scope:	eq	version:	0.20.17	Trust: 1.6
vendor:	samsung	model:	smartthings hub sth-eth-250	scope:	eq	version:	0.20.17	Trust: 1.4

sources: CNVD: CNVD-2018-20132 // JVNDB: JVNDB-2018-010108 // CNNVD: CNNVD-201809-1080 // NVD: CVE-2018-3876

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-3876
value:	HIGH
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3876
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2018-3876
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2018-20132
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201809-1080
value:	HIGH
Trust: 0.6
VULHUB:	VHN-133907
value:	HIGH
Trust: 0.1
VULMON:	CVE-2018-3876
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-3876
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2018-20132
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-133907
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-3876
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3876
baseSeverity:	CRITICAL
baseScore:	9.9
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.1
impactScore:	6.0
version:	3.0
Trust: 1.0
NVD:	CVE-2018-3876
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2018-20132 // VULHUB: VHN-133907 // VULMON: CVE-2018-3876 // JVNDB: JVNDB-2018-010108 // CNNVD: CNNVD-201809-1080 // NVD: CVE-2018-3876 // NVD: CVE-2018-3876

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.1
problemtype:	CWE-119	Trust: 0.9

sources: VULHUB: VHN-133907 // JVNDB: JVNDB-2018-010108 // NVD: CVE-2018-3876

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201809-1080

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201809-1080

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-010108

PATCH

title:	SmartThings Hub	url:	https://www.smartthings.com/products/smartthings-hub	Trust: 0.8
title:	Patch for SamsungSmartThingsHubSTH-ETH-250video-coreHTTP Server Buffer Overflow Vulnerability (CNVD-2018-20132)	url:	https://www.cnvd.org.cn/patchInfo/show/141321	Trust: 0.6
title:	Samsung SmartThings Hub STH-ETH-250 video-core HTTP Server Buffer Error Vulnerability Fix	url:	http://123.124.177.30/web/xxk/bdxqById.tag?id=85135	Trust: 0.6
title:	-	url:	https://github.com/Live-Hack-CVE/CVE-2018-3876	Trust: 0.1

sources: CNVD: CNVD-2018-20132 // VULMON: CVE-2018-3876 // JVNDB: JVNDB-2018-010108 // CNNVD: CNNVD-201809-1080

EXTERNAL IDS

db:	NVD	id:	CVE-2018-3876	Trust: 3.3
db:	TALOS	id:	TALOS-2018-0555	Trust: 3.2
db:	JVNDB	id:	JVNDB-2018-010108	Trust: 0.8
db:	CNNVD	id:	CNNVD-201809-1080	Trust: 0.7
db:	CNVD	id:	CNVD-2018-20132	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1
db:	VULHUB	id:	VHN-133907	Trust: 0.1
db:	VULMON	id:	CVE-2018-3876	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-20132 // VULHUB: VHN-133907 // VULMON: CVE-2018-3876 // JVNDB: JVNDB-2018-010108 // CNNVD: CNNVD-201809-1080 // NVD: CVE-2018-3876

REFERENCES

url:	https://talosintelligence.com/vulnerability_reports/talos-2018-0555	Trust: 3.2
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3876	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-3876	Trust: 0.8
url:	https://ieeexplore.ieee.org/abstract/document/10769424	Trust: 0.1
url:	https://cwe.mitre.org/data/definitions/120.html	Trust: 0.1
url:	https://github.com/live-hack-cve/cve-2018-3876	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-20132 // VULHUB: VHN-133907 // VULMON: CVE-2018-3876 // JVNDB: JVNDB-2018-010108 // CNNVD: CNNVD-201809-1080 // NVD: CVE-2018-3876

SOURCES

db:	OTHER	id:	-
db:	CNVD	id:	CNVD-2018-20132
db:	VULHUB	id:	VHN-133907
db:	VULMON	id:	CVE-2018-3876
db:	JVNDB	id:	JVNDB-2018-010108
db:	CNNVD	id:	CNNVD-201809-1080
db:	NVD	id:	CVE-2018-3876

LAST UPDATE DATE

2025-01-30T20:06:08.421000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-20132	date:	2018-09-29T00:00:00
db:	VULHUB	id:	VHN-133907	date:	2023-02-03T00:00:00
db:	VULMON	id:	CVE-2018-3876	date:	2023-02-03T00:00:00
db:	JVNDB	id:	JVNDB-2018-010108	date:	2018-12-05T00:00:00
db:	CNNVD	id:	CNNVD-201809-1080	date:	2023-02-06T00:00:00
db:	NVD	id:	CVE-2018-3876	date:	2024-11-21T04:06:13.123

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-20132	date:	2018-09-29T00:00:00
db:	VULHUB	id:	VHN-133907	date:	2018-09-21T00:00:00
db:	VULMON	id:	CVE-2018-3876	date:	2018-09-21T00:00:00
db:	JVNDB	id:	JVNDB-2018-010108	date:	2018-12-05T00:00:00
db:	CNNVD	id:	CNNVD-201809-1080	date:	2018-09-25T00:00:00
db:	NVD	id:	CVE-2018-3876	date:	2018-09-21T14:29:00.477