Sign-up

ID

VAR-201808-0912


CVE

CVE-2018-3878


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-009477

DESCRIPTION

Multiple exploitable buffer overflow vulnerabilities exist in the credentials handler 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 fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. A strncpy overflows the destination buffer, which has a size of 16 bytes. An attacker can send an arbitrarily long "region" 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 buffer overflow vulnerability exists in the video-coreHTTPserver's credentialshandler in SamsungSmartThingsHub

Trust: 2.34

sources: NVD: CVE-2018-3878 // JVNDB: JVNDB-2018-009477 // CNVD: CNVD-2018-15899 // VULHUB: VHN-133909 // VULMON: CVE-2018-3878

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-2018-15899

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 hub video-core http serverscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2018-15899 // JVNDB: JVNDB-2018-009477 // CNNVD: CNNVD-201807-1949 // NVD: CVE-2018-3878

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-3878
value: CRITICAL

Trust: 1.0

talos-cna@cisco.com: CVE-2018-3878
value: CRITICAL

Trust: 1.0

NVD: CVE-2018-3878
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2018-15899
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201807-1949
value: CRITICAL

Trust: 0.6

VULHUB: VHN-133909
value: HIGH

Trust: 0.1

VULMON: CVE-2018-3878
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2018-3878
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-2018-15899
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-133909
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-2018-3878
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-2018-3878
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-2018-15899 // VULHUB: VHN-133909 // VULMON: CVE-2018-3878 // JVNDB: JVNDB-2018-009477 // CNNVD: CNNVD-201807-1949 // NVD: CVE-2018-3878 // NVD: CVE-2018-3878

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.9

sources: VULHUB: VHN-133909 // JVNDB: JVNDB-2018-009477 // NVD: CVE-2018-3878

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201807-1949

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201807-1949

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-009477

PATCH
title:SmartThings Huburl:https://www.smartthings.com/products/smartthings-hub
Trust: 0.8
title:Patch for SamsungSmartThingsHubvideo-coreHTTP Server Buffer Overflow Vulnerability (CNVD-2018-15899)url:https://www.cnvd.org.cn/patchInfo/show/137999
Trust: 0.6
title:Samsung SmartThings Hub video-core HTTP Server Buffer Error Vulnerability Fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=82688
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2018-15899 // 
            
            
            
            JVNDB: JVNDB-2018-009477 // 
            
            
            
            CNNVD: CNNVD-201807-1949

EXTERNAL IDS
db:NVDid:CVE-2018-3878
Trust: 3.3
db:TALOSid:TALOS-2018-0555
Trust: 3.2
db:JVNDBid:JVNDB-2018-009477
Trust: 0.8
db:CNVDid:CNVD-2018-15899
Trust: 0.6
db:CNNVDid:CNNVD-201807-1949
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
db:VULHUBid:VHN-133909
Trust: 0.1
db:VULMONid:CVE-2018-3878
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2018-15899 // 
            
            
            
            VULHUB: VHN-133909 // 
            
            
            
            VULMON: CVE-2018-3878 // 
            
            
            
            JVNDB: JVNDB-2018-009477 // 
            
            
            
            CNNVD: CNNVD-201807-1949 // 
            
            
            
            NVD: CVE-2018-3878

REFERENCES
url:https://www.talosintelligence.com/vulnerability_reports/talos-2018-0555
Trust: 2.6
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3878
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2018-3878
Trust: 0.8
url:https://talosintelligence.com/vulnerability_reports/talos-2018-0555
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://nvd.nist.gov
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2018-15899 // 
            
            
            
            VULHUB: VHN-133909 // 
            
            
            
            VULMON: CVE-2018-3878 // 
            
            
            
            JVNDB: JVNDB-2018-009477 // 
            
            
            
            CNNVD: CNNVD-201807-1949 // 
            
            
            
            NVD: CVE-2018-3878

CREDITS
Discovered by Claudio Bozzato of Cisco Talos
Trust: 0.6
sources:
            
            
            CNNVD: CNNVD-201807-1949

SOURCES
db:OTHERid: - 
db:CNVDid:CNVD-2018-15899
db:VULHUBid:VHN-133909
db:VULMONid:CVE-2018-3878
db:JVNDBid:JVNDB-2018-009477
db:CNNVDid:CNNVD-201807-1949
db:NVDid:CVE-2018-3878

LAST UPDATE DATE
2025-01-30T19:56:15.069000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2018-15899date:2018-08-22T00:00:00
db:VULHUBid:VHN-133909date:2018-10-26T00:00:00
db:VULMONid:CVE-2018-3878date:2023-05-19T00:00:00
db:JVNDBid:JVNDB-2018-009477date:2018-11-20T00:00:00
db:CNNVDid:CNNVD-201807-1949date:2022-04-20T00:00:00
db:NVDid:CVE-2018-3878date:2024-11-21T04:06:13.360

SOURCES RELEASE DATE
db:CNVDid:CNVD-2018-15899date:2018-08-22T00:00:00
db:VULHUBid:VHN-133909date:2018-08-23T00:00:00
db:VULMONid:CVE-2018-3878date:2018-08-23T00:00:00
db:JVNDBid:JVNDB-2018-009477date:2018-11-20T00:00:00
db:CNNVDid:CNNVD-201807-1949date:2018-07-30T00:00:00
db:NVDid:CVE-2018-3878date:2018-08-23T15:29:00.867