Details of VAR-201808-0918

ID

VAR-201808-0918

CVE

CVE-2018-3902

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-009478

DESCRIPTION

An exploitable buffer overflow vulnerability exists in the camera "replace" feature of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process incorrectly extracts the URL 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 The 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

Trust: 2.34

sources: NVD: CVE-2018-3902 // JVNDB: JVNDB-2018-009478 // CNVD: CNVD-2018-14286 // VULHUB: VHN-133933 // VULMON: CVE-2018-3902

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-2018-14286

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-2018-14286 // JVNDB: JVNDB-2018-009478 // CNNVD: CNNVD-201807-1960 // NVD: CVE-2018-3902

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-3902
value:	CRITICAL
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3902
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2018-3902
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2018-14286
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201807-1960
value:	CRITICAL
Trust: 0.6
VULHUB:	VHN-133933
value:	HIGH
Trust: 0.1
VULMON:	CVE-2018-3902
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-3902
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-2018-14286
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-133933
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-2018-3902
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-2018-3902
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-2018-14286 // VULHUB: VHN-133933 // VULMON: CVE-2018-3902 // JVNDB: JVNDB-2018-009478 // CNNVD: CNNVD-201807-1960 // NVD: CVE-2018-3902 // NVD: CVE-2018-3902

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.1
problemtype:	CWE-119	Trust: 0.9

sources: VULHUB: VHN-133933 // JVNDB: JVNDB-2018-009478 // NVD: CVE-2018-3902

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201807-1960

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201807-1960

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-009478

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-2018-14286)	url:	https://www.cnvd.org.cn/patchInfo/show/135927	Trust: 0.6
title:	Samsung SmartThings Hub video-core HTTP Server Buffer Error Vulnerability Fix	url:	http://123.124.177.30/web/xxk/bdxqById.tag?id=82699	Trust: 0.6

sources: CNVD: CNVD-2018-14286 // JVNDB: JVNDB-2018-009478 // CNNVD: CNNVD-201807-1960

EXTERNAL IDS

db:	NVD	id:	CVE-2018-3902	Trust: 3.3
db:	TALOS	id:	TALOS-2018-0573	Trust: 3.2
db:	JVNDB	id:	JVNDB-2018-009478	Trust: 0.8
db:	CNNVD	id:	CNNVD-201807-1960	Trust: 0.7
db:	CNVD	id:	CNVD-2018-14286	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1
db:	SEEBUG	id:	SSVID-97436	Trust: 0.1
db:	VULHUB	id:	VHN-133933	Trust: 0.1
db:	VULMON	id:	CVE-2018-3902	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14286 // VULHUB: VHN-133933 // VULMON: CVE-2018-3902 // JVNDB: JVNDB-2018-009478 // CNNVD: CNNVD-201807-1960 // NVD: CVE-2018-3902

REFERENCES

url:	https://www.talosintelligence.com/vulnerability_reports/talos-2018-0573	Trust: 2.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3902	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-3902	Trust: 0.8
url:	https://talosintelligence.com/vulnerability_reports/talos-2018-0573	Trust: 0.6
url:	https://ieeexplore.ieee.org/abstract/document/10769424	Trust: 0.1
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14286 // VULHUB: VHN-133933 // VULMON: CVE-2018-3902 // JVNDB: JVNDB-2018-009478 // CNNVD: CNNVD-201807-1960 // NVD: CVE-2018-3902

CREDITS

Discovered by Claudio Bozzato of Cisco Talos

Trust: 0.6

sources: CNNVD: CNNVD-201807-1960

SOURCES

db:	OTHER	id:	-
db:	CNVD	id:	CNVD-2018-14286
db:	VULHUB	id:	VHN-133933
db:	VULMON	id:	CVE-2018-3902
db:	JVNDB	id:	JVNDB-2018-009478
db:	CNNVD	id:	CNNVD-201807-1960
db:	NVD	id:	CVE-2018-3902

LAST UPDATE DATE

2025-01-30T22:31:45.033000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-14286	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133933	date:	2023-02-04T00:00:00
db:	VULMON	id:	CVE-2018-3902	date:	2023-02-04T00:00:00
db:	JVNDB	id:	JVNDB-2018-009478	date:	2018-11-20T00:00:00
db:	CNNVD	id:	CNNVD-201807-1960	date:	2023-02-06T00:00:00
db:	NVD	id:	CVE-2018-3902	date:	2024-11-21T04:06:16.023

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-14286	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133933	date:	2018-08-23T00:00:00
db:	VULMON	id:	CVE-2018-3902	date:	2018-08-23T00:00:00
db:	JVNDB	id:	JVNDB-2018-009478	date:	2018-11-20T00:00:00
db:	CNNVD	id:	CNNVD-201807-1960	date:	2018-07-30T00:00:00
db:	NVD	id:	CVE-2018-3902	date:	2018-08-23T15:29:01.100