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ID

VAR-201811-0486


CVE

CVE-2018-3934


TITLE

Yi Home Camera Vulnerabilities related to key management errors

Trust: 0.8

sources: JVNDB: JVNDB-2018-011706

DESCRIPTION

An exploitable code execution vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted set of UDP packets can cause a logic flaw, resulting in an authentication bypass. An attacker can sniff network traffic and send a set of packets to trigger this vulnerability. Yi Home Camera Contains a vulnerability related to key management errors.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. YiHomeCamera is a globally sold IoT home camera. Yi Home Camera 27US is a network camera product of Yi Technology Company in the United States

Trust: 2.34

sources: NVD: CVE-2018-3934 // JVNDB: JVNDB-2018-011706 // CNVD: CNVD-2018-22814 // VULHUB: VHN-133965 // VULMON: CVE-2018-3934

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2018-22814

AFFECTED PRODUCTS

vendor:yitechnologymodel:yi home camerascope:eqversion:1.8.7.0d

Trust: 1.6

vendor:yimodel:home camerascope:eqversion:27us 1.8.7.0d

Trust: 0.8

vendor:yimodel:technology home camera 27us 1.8.7.0dscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2018-22814 // JVNDB: JVNDB-2018-011706 // CNNVD: CNNVD-201811-038 // NVD: CVE-2018-3934

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-3934
value: CRITICAL

Trust: 1.0

talos-cna@cisco.com: CVE-2018-3934
value: CRITICAL

Trust: 1.0

NVD: CVE-2018-3934
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2018-22814
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201811-038
value: CRITICAL

Trust: 0.6

VULHUB: VHN-133965
value: HIGH

Trust: 0.1

VULMON: CVE-2018-3934
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2018-3934
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2018-22814
severity: HIGH
baseScore: 7.6
vectorString: AV:N/AC:H/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: HIGH
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 4.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-133965
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2018-3934
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2018-3934
baseSeverity: CRITICAL
baseScore: 9.0
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 6.0
version: 3.0

Trust: 1.0

NVD: CVE-2018-3934
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2018-22814 // VULHUB: VHN-133965 // VULMON: CVE-2018-3934 // JVNDB: JVNDB-2018-011706 // CNNVD: CNNVD-201811-038 // NVD: CVE-2018-3934 // NVD: CVE-2018-3934

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:CWE-320

Trust: 0.9

sources: VULHUB: VHN-133965 // JVNDB: JVNDB-2018-011706 // NVD: CVE-2018-3934

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201811-038

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-201811-038

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-011706

PATCH
title:Top Pageurl:https://www.yitechnology.com/
Trust: 0.8
title:YiHomeCamera authentication bypasses the patch for the vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/144191
Trust: 0.6
title:Yi Home Camera 27US Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=86582
Trust: 0.6
title: - url:https://github.com/Live-Hack-CVE/CVE-2018-3934 
Trust: 0.1
title:Threatposturl:https://threatpost.com/yi-iot-home-camera-riddled-with-code-execution-vulnerabilities/138741/
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2018-22814 // 
            
            
            
            VULMON: CVE-2018-3934 // 
            
            
            
            JVNDB: JVNDB-2018-011706 // 
            
            
            
            CNNVD: CNNVD-201811-038

EXTERNAL IDS
db:NVDid:CVE-2018-3934
Trust: 3.2
db:TALOSid:TALOS-2018-0601
Trust: 2.6
db:JVNDBid:JVNDB-2018-011706
Trust: 0.8
db:CNNVDid:CNNVD-201811-038
Trust: 0.7
db:CNVDid:CNVD-2018-22814
Trust: 0.6
db:SEEBUGid:SSVID-97641
Trust: 0.1
db:VULHUBid:VHN-133965
Trust: 0.1
db:VULMONid:CVE-2018-3934
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2018-22814 // 
            
            
            
            VULHUB: VHN-133965 // 
            
            
            
            VULMON: CVE-2018-3934 // 
            
            
            
            JVNDB: JVNDB-2018-011706 // 
            
            
            
            CNNVD: CNNVD-201811-038 // 
            
            
            
            NVD: CVE-2018-3934

REFERENCES
url:https://talosintelligence.com/vulnerability_reports/talos-2018-0601
Trust: 2.6
url:https://nvd.nist.gov/vuln/detail/cve-2018-3934
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-3934
Trust: 0.8
url:https://cwe.mitre.org/data/definitions/.html
Trust: 0.1
url:https://github.com/live-hack-cve/cve-2018-3934
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
url:https://threatpost.com/yi-iot-home-camera-riddled-with-code-execution-vulnerabilities/138741/
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2018-22814 // 
            
            
            
            VULHUB: VHN-133965 // 
            
            
            
            VULMON: CVE-2018-3934 // 
            
            
            
            JVNDB: JVNDB-2018-011706 // 
            
            
            
            CNNVD: CNNVD-201811-038 // 
            
            
            
            NVD: CVE-2018-3934

SOURCES
db:CNVDid:CNVD-2018-22814
db:VULHUBid:VHN-133965
db:VULMONid:CVE-2018-3934
db:JVNDBid:JVNDB-2018-011706
db:CNNVDid:CNNVD-201811-038
db:NVDid:CVE-2018-3934

LAST UPDATE DATE
2024-11-23T22:26:07.189000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2018-22814date:2018-11-09T00:00:00
db:VULHUBid:VHN-133965date:2023-02-02T00:00:00
db:VULMONid:CVE-2018-3934date:2023-02-02T00:00:00
db:JVNDBid:JVNDB-2018-011706date:2019-01-18T00:00:00
db:CNNVDid:CNNVD-201811-038date:2020-10-23T00:00:00
db:NVDid:CVE-2018-3934date:2024-11-21T04:06:19.983

SOURCES RELEASE DATE
db:CNVDid:CNVD-2018-22814date:2018-11-09T00:00:00
db:VULHUBid:VHN-133965date:2018-11-02T00:00:00
db:VULMONid:CVE-2018-3934date:2018-11-02T00:00:00
db:JVNDBid:JVNDB-2018-011706date:2019-01-18T00:00:00
db:CNNVDid:CNNVD-201811-038date:2018-11-05T00:00:00
db:NVDid:CVE-2018-3934date:2018-11-02T17:29:00.570