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ID

VAR-202005-0338


CVE

CVE-2020-12018


TITLE

Advantech WebAccess Node Out-of-bounds read vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-005145

DESCRIPTION

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An out-of-bounds vulnerability exists that may allow access to unauthorized data. Advantech WebAccess Node Exists in an out-of-bounds read vulnerability.Information may be obtained. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability.The specific flaw exists within the implementation of IOCTL 0x00002722 in ViewSrv.dll. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of Administrator. Advantech WebAccess is a browser-based SCADA software package for monitoring, data acquisition, and visualization. It is used to automate complex industrial processes when remote operation is required

Trust: 3.96

sources: NVD: CVE-2020-12018 // JVNDB: JVNDB-2020-005145 // ZDI: ZDI-20-628 // ZDI: ZDI-20-630 // CNVD: CNVD-2020-29738 // IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // VULHUB: VHN-164654 // VULMON: CVE-2020-12018

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 1.0

sources: IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // CNVD: CNVD-2020-29738

AFFECTED PRODUCTS

vendor:advantechmodel:webaccessscope:eqversion:9.0.0

Trust: 1.9

vendor:advantechmodel:webaccess/scadascope: - version: -

Trust: 1.4

vendor:advantechmodel:webaccessscope:lteversion:8.4.4

Trust: 1.0

vendor:advantechmodel:webaccessscope:eqversion:8.4.4

Trust: 0.9

vendor:advantechmodel:webaccess nodescope:gteversion:8.4.4

Trust: 0.6

vendor:advantechmodel:webaccess nodescope:eqversion:9.0.0

Trust: 0.6

vendor:webaccessmodel: - scope:eqversion:*

Trust: 0.4

vendor:webaccessmodel: - scope:eqversion:9.0.0

Trust: 0.4

sources: IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // ZDI: ZDI-20-628 // ZDI: ZDI-20-630 // CNVD: CNVD-2020-29738 // VULMON: CVE-2020-12018 // JVNDB: JVNDB-2020-005145 // NVD: CVE-2020-12018

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: CVE-2020-12018
value: HIGH

Trust: 1.4

nvd@nist.gov: CVE-2020-12018
value: HIGH

Trust: 1.0

NVD: JVNDB-2020-005145
value: HIGH

Trust: 0.8

CNVD: CNVD-2020-29738
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202005-292
value: HIGH

Trust: 0.6

IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38
value: HIGH

Trust: 0.2

IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f
value: HIGH

Trust: 0.2

VULHUB: VHN-164654
value: MEDIUM

Trust: 0.1

VULMON: CVE-2020-12018
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-12018
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

NVD: JVNDB-2020-005145
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2020-29738
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.9 [IVD]

Trust: 0.2

IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.9 [IVD]

Trust: 0.2

VULHUB: VHN-164654
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

ZDI: CVE-2020-12018
baseSeverity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.0

Trust: 1.4

nvd@nist.gov: CVE-2020-12018
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: JVNDB-2020-005145
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // ZDI: ZDI-20-628 // ZDI: ZDI-20-630 // CNVD: CNVD-2020-29738 // VULHUB: VHN-164654 // VULMON: CVE-2020-12018 // JVNDB: JVNDB-2020-005145 // CNNVD: CNNVD-202005-292 // NVD: CVE-2020-12018

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.9

sources: VULHUB: VHN-164654 // JVNDB: JVNDB-2020-005145 // NVD: CVE-2020-12018

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202005-292

TYPE

Buffer error

Trust: 1.0

sources: IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // CNNVD: CNNVD-202005-292

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-005145

PATCH
title:Advantech has issued an update to correct this vulnerability.url:https://www.us-cert.gov/ics/advisories/icsa-20-128-36
Trust: 1.4
title:Top Pageurl:https://www.advantech.com/
Trust: 0.8
title:Patch for Advantech WebAccess Node out-of-bounds reading vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/218843
Trust: 0.6
sources:
            
            
            ZDI: ZDI-20-628 // 
            
            
            
            ZDI: ZDI-20-630 // 
            
            
            
            CNVD: CNVD-2020-29738 // 
            
            
            
            JVNDB: JVNDB-2020-005145

EXTERNAL IDS
db:NVDid:CVE-2020-12018
Trust: 5.0
db:ICS CERTid:ICSA-20-128-01
Trust: 3.2
db:ZDIid:ZDI-20-628
Trust: 2.5
db:ZDIid:ZDI-20-630
Trust: 1.4
db:CNVDid:CNVD-2020-29738
Trust: 1.1
db:CNNVDid:CNNVD-202005-292
Trust: 1.1
db:JVNid:JVNVU93292753
Trust: 0.8
db:JVNDBid:JVNDB-2020-005145
Trust: 0.8
db:ZDI_CANid:ZDI-CAN-9903
Trust: 0.7
db:ZDI_CANid:ZDI-CAN-9896
Trust: 0.7
db:AUSCERTid:ESB-2020.1646
Trust: 0.6
db:NSFOCUSid:47308
Trust: 0.6
db:IVDid:0C0A4C5A-B413-4EB0-98C1-1ACC2309CA38
Trust: 0.2
db:IVDid:2CD25065-FDF0-47DB-8723-F8FA644FF39F
Trust: 0.2
db:VULHUBid:VHN-164654
Trust: 0.1
db:VULMONid:CVE-2020-12018
Trust: 0.1
sources:
            
            
            IVD: 0c0a4c5a-b413-4eb0-98c1-1acc2309ca38 // 
            
            
            
            IVD: 2cd25065-fdf0-47db-8723-f8fa644ff39f // 
            
            
            
            ZDI: ZDI-20-628 // 
            
            
            
            ZDI: ZDI-20-630 // 
            
            
            
            CNVD: CNVD-2020-29738 // 
            
            
            
            VULHUB: VHN-164654 // 
            
            
            
            VULMON: CVE-2020-12018 // 
            
            
            
            JVNDB: JVNDB-2020-005145 // 
            
            
            
            CNNVD: CNNVD-202005-292 // 
            
            
            
            NVD: CVE-2020-12018

REFERENCES
url:https://www.us-cert.gov/ics/advisories/icsa-20-128-01
Trust: 3.8
url:https://www.zerodayinitiative.com/advisories/zdi-20-628/
Trust: 1.8
url:https://www.us-cert.gov/ics/advisories/icsa-20-128-36
Trust: 1.4
url:https://nvd.nist.gov/vuln/detail/cve-2020-12018
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-12018
Trust: 0.8
url:https://jvn.jp/vu/jvnvu93292753/
Trust: 0.8
url:https://www.zerodayinitiative.com/advisories/zdi-20-630/
Trust: 0.7
url:http://www.nsfocus.net/vulndb/47308
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2020.1646/
Trust: 0.6
url:https://cwe.mitre.org/data/definitions/125.html
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
url:https://exchange.xforce.ibmcloud.com/vulnerabilities/181601
Trust: 0.1
sources:
            
            
            ZDI: ZDI-20-628 // 
            
            
            
            ZDI: ZDI-20-630 // 
            
            
            
            CNVD: CNVD-2020-29738 // 
            
            
            
            VULHUB: VHN-164654 // 
            
            
            
            VULMON: CVE-2020-12018 // 
            
            
            
            JVNDB: JVNDB-2020-005145 // 
            
            
            
            CNNVD: CNNVD-202005-292 // 
            
            
            
            NVD: CVE-2020-12018

CREDITS
Z0mb1E
Trust: 1.4
sources:
            
            
            ZDI: ZDI-20-628 // 
            
            
            
            ZDI: ZDI-20-630

SOURCES
db:IVDid:0c0a4c5a-b413-4eb0-98c1-1acc2309ca38
db:IVDid:2cd25065-fdf0-47db-8723-f8fa644ff39f
db:ZDIid:ZDI-20-628
db:ZDIid:ZDI-20-630
db:CNVDid:CNVD-2020-29738
db:VULHUBid:VHN-164654
db:VULMONid:CVE-2020-12018
db:JVNDBid:JVNDB-2020-005145
db:CNNVDid:CNNVD-202005-292
db:NVDid:CVE-2020-12018

LAST UPDATE DATE
2024-08-14T13:24:34.381000+00:00

SOURCES UPDATE DATE
db:ZDIid:ZDI-20-628date:2020-05-08T00:00:00
db:ZDIid:ZDI-20-630date:2020-05-08T00:00:00
db:CNVDid:CNVD-2020-29738date:2020-05-25T00:00:00
db:VULHUBid:VHN-164654date:2020-05-11T00:00:00
db:VULMONid:CVE-2020-12018date:2020-05-11T00:00:00
db:JVNDBid:JVNDB-2020-005145date:2020-06-08T00:00:00
db:CNNVDid:CNNVD-202005-292date:2021-01-04T00:00:00
db:NVDid:CVE-2020-12018date:2020-05-11T20:52:12.150

SOURCES RELEASE DATE
db:IVDid:0c0a4c5a-b413-4eb0-98c1-1acc2309ca38date:2020-05-07T00:00:00
db:IVDid:2cd25065-fdf0-47db-8723-f8fa644ff39fdate:2020-05-07T00:00:00
db:ZDIid:ZDI-20-628date:2020-05-08T00:00:00
db:ZDIid:ZDI-20-630date:2020-05-08T00:00:00
db:CNVDid:CNVD-2020-29738date:2020-05-25T00:00:00
db:VULHUBid:VHN-164654date:2020-05-08T00:00:00
db:VULMONid:CVE-2020-12018date:2020-05-08T00:00:00
db:JVNDBid:JVNDB-2020-005145date:2020-06-08T00:00:00
db:CNNVDid:CNNVD-202005-292date:2020-05-07T00:00:00
db:NVDid:CVE-2020-12018date:2020-05-08T12:15:11.317