Details of VAR-201808-0911

ID

VAR-201808-0911

CVE

CVE-2018-3872

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-009553

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 video-core process incorrectly extracts the videoHostUrl field from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger 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. SamsungSmartThingsHub is a smart home management device from South Korea's Samsung. video-coreHTTPserver is one of the HTTP servers. ### Tested Versions Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17 ### Product URLs [https://www.smartthings.com/products/smartthings-hub](https://www.smartthings.com/products/smartthings-hub) ### CVSSv3 Score 9.9 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H ### CWE CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') ### Details Samsung produces a series of devices aimed at controlling and monitoring a home, such as wall switches, LED bulbs, thermostats and cameras. One of those is the Samsung SmartThings Hub, a central controller which allows an end user to use their..

Trust: 2.34

sources: NVD: CVE-2018-3872 // JVNDB: JVNDB-2018-009553 // CNVD: CNVD-2018-14280 // VULHUB: VHN-133903 // VULMON: CVE-2018-3872

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-2018-14280

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: 0.8
vendor:	samsung	model:	smartthings hub	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2018-14280 // JVNDB: JVNDB-2018-009553 // CNNVD: CNNVD-201807-1950 // NVD: CVE-2018-3872

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-3872
value:	CRITICAL
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3872
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2018-3872
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2018-14280
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201807-1950
value:	CRITICAL
Trust: 0.6
VULHUB:	VHN-133903
value:	HIGH
Trust: 0.1
VULMON:	CVE-2018-3872
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-3872
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-2018-14280
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-133903
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

talos-cna@cisco.com:	CVE-2018-3872
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: 1.8
nvd@nist.gov:	CVE-2018-3872
baseSeverity:	CRITICAL
baseScore:	9.9
vectorString:	CVSS:3.1/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:	3.1
Trust: 1.0

sources: CNVD: CNVD-2018-14280 // VULHUB: VHN-133903 // VULMON: CVE-2018-3872 // JVNDB: JVNDB-2018-009553 // CNNVD: CNNVD-201807-1950 // NVD: CVE-2018-3872 // NVD: CVE-2018-3872

PROBLEMTYPE DATA

problemtype:

CWE-119

Trust: 1.9

sources: VULHUB: VHN-133903 // JVNDB: JVNDB-2018-009553 // NVD: CVE-2018-3872

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201807-1950

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201807-1950

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-009553

PATCH

title:	SmartThings Hub	url:	https://www.smartthings.com/products/smartthings-hub	Trust: 0.8
title:	Patch for SamsungSmartThingsHubvideo-coreHTTP Server Buffer Overflow Vulnerability (CNVD-2018-14280)	url:	https://www.cnvd.org.cn/patchInfo/show/135943	Trust: 0.6
title:	Samsung SmartThings Hub video-core HTTP Server Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=82689	Trust: 0.6
title:	-	url:	https://github.com/Live-Hack-CVE/CVE-2018-3872	Trust: 0.1

sources: CNVD: CNVD-2018-14280 // VULMON: CVE-2018-3872 // JVNDB: JVNDB-2018-009553 // CNNVD: CNNVD-201807-1950

EXTERNAL IDS

db:	NVD	id:	CVE-2018-3872	Trust: 3.3
db:	TALOS	id:	TALOS-2018-0554	Trust: 3.2
db:	JVNDB	id:	JVNDB-2018-009553	Trust: 0.8
db:	CNVD	id:	CNVD-2018-14280	Trust: 0.6
db:	CNNVD	id:	CNNVD-201807-1950	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1
db:	SEEBUG	id:	SSVID-97456	Trust: 0.1
db:	VULHUB	id:	VHN-133903	Trust: 0.1
db:	VULMON	id:	CVE-2018-3872	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14280 // VULHUB: VHN-133903 // VULMON: CVE-2018-3872 // JVNDB: JVNDB-2018-009553 // CNNVD: CNNVD-201807-1950 // NVD: CVE-2018-3872

REFERENCES

url:	https://talosintelligence.com/vulnerability_reports/talos-2018-0554	Trust: 2.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3872	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-3872	Trust: 0.8
url:	https://www.talosintelligence.com/vulnerability_reports/talos-2018-0554	Trust: 0.6
url:	https://ieeexplore.ieee.org/abstract/document/10769424	Trust: 0.1
url:	https://cwe.mitre.org/data/definitions/119.html	Trust: 0.1
url:	https://github.com/live-hack-cve/cve-2018-3872	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14280 // VULHUB: VHN-133903 // VULMON: CVE-2018-3872 // JVNDB: JVNDB-2018-009553 // CNNVD: CNNVD-201807-1950 // NVD: CVE-2018-3872

CREDITS

Discovered by Claudio Bozzato of Cisco Talos

Trust: 0.6

sources: CNNVD: CNNVD-201807-1950

SOURCES

db:	OTHER	id:	-
db:	CNVD	id:	CNVD-2018-14280
db:	VULHUB	id:	VHN-133903
db:	VULMON	id:	CVE-2018-3872
db:	JVNDB	id:	JVNDB-2018-009553
db:	CNNVD	id:	CNNVD-201807-1950
db:	NVD	id:	CVE-2018-3872

LAST UPDATE DATE

2025-01-30T19:28:30.447000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-14280	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133903	date:	2022-12-13T00:00:00
db:	VULMON	id:	CVE-2018-3872	date:	2022-12-13T00:00:00
db:	JVNDB	id:	JVNDB-2018-009553	date:	2018-11-21T00:00:00
db:	CNNVD	id:	CNNVD-201807-1950	date:	2022-04-20T00:00:00
db:	NVD	id:	CVE-2018-3872	date:	2024-11-21T04:06:12.640

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-14280	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133903	date:	2018-08-23T00:00:00
db:	VULMON	id:	CVE-2018-3872	date:	2018-08-23T00:00:00
db:	JVNDB	id:	JVNDB-2018-009553	date:	2018-11-21T00:00:00
db:	CNNVD	id:	CNNVD-201807-1950	date:	2018-07-30T00:00:00
db:	NVD	id:	CVE-2018-3872	date:	2018-08-23T22:29:00.477