Details of VAR-201808-0893

ID

VAR-201808-0893

CVE

CVE-2018-3912

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-009275

DESCRIPTION

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process insecurely extracts the fields from the "shard" table of its SQLite database, leading to a buffer overflow on the stack. The strcpy call overflows the destination buffer, which has a size of 128 bytes. An attacker can send an arbitrarily long "secretKey" value in order to exploit 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. A stack buffer overflow vulnerability exists in the retrieval of database fields for the video-coreHTTP server in SamsungSmartThingsHub. Extract fields

Trust: 2.34

sources: NVD: CVE-2018-3912 // JVNDB: JVNDB-2018-009275 // CNVD: CNVD-2018-14282 // VULHUB: VHN-133943 // VULMON: CVE-2018-3912

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-2018-14282

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-2018-14282 // JVNDB: JVNDB-2018-009275 // CNNVD: CNNVD-201807-1954 // NVD: CVE-2018-3912

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-3912
value:	HIGH
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3912
value:	HIGH
Trust: 1.0
NVD:	CVE-2018-3912
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2018-14282
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201807-1954
value:	HIGH
Trust: 0.6
VULHUB:	VHN-133943
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2018-3912
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2018-3912
severity:	MEDIUM
baseScore:	6.9
vectorString:	AV:L/AC:M/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.4
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2018-14282
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-133943
severity:	MEDIUM
baseScore:	6.9
vectorString:	AV:L/AC:M/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.4
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-3912
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
talos-cna@cisco.com:	CVE-2018-3912
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	HIGH
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.8
impactScore:	6.0
version:	3.0
Trust: 1.0
NVD:	CVE-2018-3912
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
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-2018-14282 // VULHUB: VHN-133943 // VULMON: CVE-2018-3912 // JVNDB: JVNDB-2018-009275 // CNNVD: CNNVD-201807-1954 // NVD: CVE-2018-3912 // NVD: CVE-2018-3912

PROBLEMTYPE DATA

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

sources: VULHUB: VHN-133943 // JVNDB: JVNDB-2018-009275 // NVD: CVE-2018-3912

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-201807-1954

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201807-1954

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-009275

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-2018-14282)	url:	https://www.cnvd.org.cn/patchInfo/show/135939	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=82693	Trust: 0.6
title:	-	url:	https://github.com/Live-Hack-CVE/CVE-2018-3912	Trust: 0.1

sources: CNVD: CNVD-2018-14282 // VULMON: CVE-2018-3912 // JVNDB: JVNDB-2018-009275 // CNNVD: CNNVD-201807-1954

EXTERNAL IDS

db:	NVD	id:	CVE-2018-3912	Trust: 3.3
db:	TALOS	id:	TALOS-2018-0581	Trust: 3.2
db:	JVNDB	id:	JVNDB-2018-009275	Trust: 0.8
db:	CNNVD	id:	CNNVD-201807-1954	Trust: 0.7
db:	CNVD	id:	CNVD-2018-14282	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1
db:	VULHUB	id:	VHN-133943	Trust: 0.1
db:	VULMON	id:	CVE-2018-3912	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14282 // VULHUB: VHN-133943 // VULMON: CVE-2018-3912 // JVNDB: JVNDB-2018-009275 // CNNVD: CNNVD-201807-1954 // NVD: CVE-2018-3912

REFERENCES

url:	https://www.talosintelligence.com/vulnerability_reports/talos-2018-0581	Trust: 2.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3912	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-3912	Trust: 0.8
url:	https://talosintelligence.com/vulnerability_reports/talos-2018-0581	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://github.com/live-hack-cve/cve-2018-3912	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2018-14282 // VULHUB: VHN-133943 // VULMON: CVE-2018-3912 // JVNDB: JVNDB-2018-009275 // CNNVD: CNNVD-201807-1954 // NVD: CVE-2018-3912

CREDITS

Discovered by Claudio Bozzato of Cisco Talos

Trust: 0.6

sources: CNNVD: CNNVD-201807-1954

SOURCES

db:	OTHER	id:	-
db:	CNVD	id:	CNVD-2018-14282
db:	VULHUB	id:	VHN-133943
db:	VULMON	id:	CVE-2018-3912
db:	JVNDB	id:	JVNDB-2018-009275
db:	CNNVD	id:	CNNVD-201807-1954
db:	NVD	id:	CVE-2018-3912

LAST UPDATE DATE

2025-01-30T22:02:34.383000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-14282	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133943	date:	2023-02-17T00:00:00
db:	VULMON	id:	CVE-2018-3912	date:	2023-02-17T00:00:00
db:	JVNDB	id:	JVNDB-2018-009275	date:	2018-11-14T00:00:00
db:	CNNVD	id:	CNNVD-201807-1954	date:	2023-02-20T00:00:00
db:	NVD	id:	CVE-2018-3912	date:	2024-11-21T04:06:17.253

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-14282	date:	2018-07-31T00:00:00
db:	VULHUB	id:	VHN-133943	date:	2018-08-23T00:00:00
db:	VULMON	id:	CVE-2018-3912	date:	2018-08-23T00:00:00
db:	JVNDB	id:	JVNDB-2018-009275	date:	2018-11-14T00:00:00
db:	CNNVD	id:	CNNVD-201807-1954	date:	2018-07-30T00:00:00
db:	NVD	id:	CVE-2018-3912	date:	2018-08-23T18:29:01.140