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ID

VAR-201808-0908


CVE

CVE-2018-3863


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-009476

DESCRIPTION

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields 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. A strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long "user" 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. samsungWifiScanhandler is one of the WiFi network discovery handlers. A buffer overflow vulnerability exists in the samsungWifiScanhandler of the video-coreHTTP server in SamsungSmartThingsHub. This vulnerability stems from the fact that the video-core process failed to properly extract the fields in the JSON payload controlled by the user

Trust: 2.34

sources: NVD: CVE-2018-3863 // JVNDB: JVNDB-2018-009476 // CNVD: CNVD-2018-14292 // VULHUB: VHN-133894 // VULMON: CVE-2018-3863

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-2018-14292

AFFECTED PRODUCTS

vendor:samsungmodel:sth-eth-250scope:eqversion:0.20.17

Trust: 1.6

vendor:samsungmodel:smartthings hub sth-eth-250scope:eqversion:0.20.17

Trust: 0.8

vendor:samsungmodel:smartthings hubscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2018-14292 // JVNDB: JVNDB-2018-009476 // CNNVD: CNNVD-201807-1968 // NVD: CVE-2018-3863

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-3863
value: CRITICAL

Trust: 1.0

talos-cna@cisco.com: CVE-2018-3863
value: CRITICAL

Trust: 1.0

NVD: CVE-2018-3863
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2018-14292
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201807-1968
value: CRITICAL

Trust: 0.6

VULHUB: VHN-133894
value: HIGH

Trust: 0.1

VULMON: CVE-2018-3863
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2018-3863
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-2018-14292
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-133894
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-2018-3863
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-2018-3863
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-2018-14292 // VULHUB: VHN-133894 // VULMON: CVE-2018-3863 // JVNDB: JVNDB-2018-009476 // CNNVD: CNNVD-201807-1968 // NVD: CVE-2018-3863 // NVD: CVE-2018-3863

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-119

Trust: 0.9

sources: VULHUB: VHN-133894 // JVNDB: JVNDB-2018-009476 // NVD: CVE-2018-3863

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201807-1968

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201807-1968

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-009476

PATCH
title:SmartThings Huburl:https://www.smartthings.com/products/smartthings-hub
Trust: 0.8
title:Patch for SamsungSmartThingsHubvideo-coreHTTP Server Buffer Overflow Vulnerability (CNVD-2018-14292)url:https://www.cnvd.org.cn/patchInfo/show/135915
Trust: 0.6
title:Samsung SmartThings Hub video-core HTTP Server Buffer Error Vulnerability Fixurl:http://123.124.177.30/web/xxk/bdxqById.tag?id=82707
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2018-14292 // 
            
            
            
            JVNDB: JVNDB-2018-009476 // 
            
            
            
            CNNVD: CNNVD-201807-1968

EXTERNAL IDS
db:NVDid:CVE-2018-3863
Trust: 3.3
db:TALOSid:TALOS-2018-0548
Trust: 3.2
db:JVNDBid:JVNDB-2018-009476
Trust: 0.8
db:CNNVDid:CNNVD-201807-1968
Trust: 0.7
db:CNVDid:CNVD-2018-14292
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
db:VULHUBid:VHN-133894
Trust: 0.1
db:VULMONid:CVE-2018-3863
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2018-14292 // 
            
            
            
            VULHUB: VHN-133894 // 
            
            
            
            VULMON: CVE-2018-3863 // 
            
            
            
            JVNDB: JVNDB-2018-009476 // 
            
            
            
            CNNVD: CNNVD-201807-1968 // 
            
            
            
            NVD: CVE-2018-3863

REFERENCES
url:https://www.talosintelligence.com/vulnerability_reports/talos-2018-0548
Trust: 2.6
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3863
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-3863
Trust: 0.8
url:https://talosintelligence.com/vulnerability_reports/talos-2018-0548
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-2018-14292 // 
            
            
            
            VULHUB: VHN-133894 // 
            
            
            
            VULMON: CVE-2018-3863 // 
            
            
            
            JVNDB: JVNDB-2018-009476 // 
            
            
            
            CNNVD: CNNVD-201807-1968 // 
            
            
            
            NVD: CVE-2018-3863

CREDITS
Discovered by Claudio Bozzato of Cisco Talos
Trust: 0.6
sources:
            
            
            CNNVD: CNNVD-201807-1968

SOURCES
db:OTHERid: - 
db:CNVDid:CNVD-2018-14292
db:VULHUBid:VHN-133894
db:VULMONid:CVE-2018-3863
db:JVNDBid:JVNDB-2018-009476
db:CNNVDid:CNNVD-201807-1968
db:NVDid:CVE-2018-3863

LAST UPDATE DATE
2025-01-30T19:51:43.298000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2018-14292date:2018-07-31T00:00:00
db:VULHUBid:VHN-133894date:2018-10-26T00:00:00
db:VULMONid:CVE-2018-3863date:2023-04-26T00:00:00
db:JVNDBid:JVNDB-2018-009476date:2018-11-20T00:00:00
db:CNNVDid:CNNVD-201807-1968date:2023-04-27T00:00:00
db:NVDid:CVE-2018-3863date:2024-11-21T04:06:11.680

SOURCES RELEASE DATE
db:CNVDid:CNVD-2018-14292date:2018-07-31T00:00:00
db:VULHUBid:VHN-133894date:2018-08-23T00:00:00
db:VULMONid:CVE-2018-3863date:2018-08-23T00:00:00
db:JVNDBid:JVNDB-2018-009476date:2018-11-20T00:00:00
db:CNNVDid:CNNVD-201807-1968date:2018-07-30T00:00:00
db:NVDid:CVE-2018-3863date:2018-08-23T15:29:00.647