Details of VAR-201904-0184

ID

VAR-201904-0184

CVE

CVE-2019-6554

TITLE

Advantech WebAccess/SCADA Incorrect access control vulnerability

Trust: 0.8

sources: IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // CNVD: CNVD-2019-08947

DESCRIPTION

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. An improper access control vulnerability may allow an attacker to cause a denial-of-service condition. Advantech WebAccess/SCADA Contains an access control vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Authentication is not required to exploit this vulnerability.The specific flaw exists within UninstallWA.exe, which is accessed through the 0x2711 IOCTL in the webvrpcs process. Advantech WebAccess/SCADA is a set of browser-based SCADA software from Advantech. The software supports dynamic graphical display and real-time data control, and provides the ability to remotely control and manage automation equipment. Advantech WebAccess/SCADA is prone to the following vulnerabilities: 1. Multiple command-injection vulnerabilities 2. A denial-of-service vulnerability 3. Multiple stack-based buffer-overflow vulnerabilities An attacker can exploit these issues to inject and execute arbitrary commands in the context of the application. Failed exploit attempts will result in denial-of-service conditions

Trust: 3.33

sources: NVD: CVE-2019-6554 // JVNDB: JVNDB-2019-003119 // ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // BID: 107675 // IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // VULHUB: VHN-157989

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // CNVD: CNVD-2019-08947

AFFECTED PRODUCTS

vendor:	advantech	model:	webaccess	scope:	lte	version:	8.3.5	Trust: 1.0
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.3.5 and less	Trust: 0.8
vendor:	advantech	model:	webaccess	scope:	-	version:	-	Trust: 0.7
vendor:	advantech	model:	webaccess/scada	scope:	lte	version:	<=8.3.5	Trust: 0.6
vendor:	advantech	model:	webaccess/scada	scope:	eq	version:	8.3.5	Trust: 0.3
vendor:	advantech	model:	webaccess/scada	scope:	eq	version:	8.3.4	Trust: 0.3
vendor:	advantech	model:	webaccess/scada	scope:	eq	version:	8.3.2	Trust: 0.3
vendor:	advantech	model:	webaccess/scada	scope:	eq	version:	8.3	Trust: 0.3
vendor:	advantech	model:	webaccess/scada	scope:	ne	version:	8.4	Trust: 0.3
vendor:	webaccess	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // BID: 107675 // JVNDB: JVNDB-2019-003119 // NVD: CVE-2019-6554

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-6554
value:	HIGH
Trust: 1.0
NVD:	CVE-2019-6554
value:	HIGH
Trust: 0.8
ZDI:	CVE-2019-6554
value:	HIGH
Trust: 0.7
CNVD:	CNVD-2019-08947
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201904-094
value:	HIGH
Trust: 0.6
IVD:	6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c
value:	HIGH
Trust: 0.2
VULHUB:	VHN-157989
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2019-6554
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2019-08947
severity:	HIGH
baseScore:	7.1
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c
severity:	HIGH
baseScore:	7.1
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-157989
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2019-6554
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2019-6554
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8
ZDI:	CVE-2019-6554
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 0.7

sources: IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // VULHUB: VHN-157989 // JVNDB: JVNDB-2019-003119 // CNNVD: CNNVD-201904-094 // NVD: CVE-2019-6554

PROBLEMTYPE DATA

problemtype:	CWE-284	Trust: 1.9
problemtype:	NVD-CWE-Other	Trust: 1.0

sources: VULHUB: VHN-157989 // JVNDB: JVNDB-2019-003119 // NVD: CVE-2019-6554

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201904-094

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-201904-094

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-003119

PATCH

title:	Advantech WebAccess	url:	https://www.advantech.co.jp/industrial-automation/webaccess	Trust: 0.8
title:	Advantech has issued an update to correct this vulnerability.	url:	https://ics-cert.us-cert.gov/advisories/ICSA-19-092-01	Trust: 0.7
title:	Advantech WebAccess/SCADA Patch for Incorrect Access Control Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/157947	Trust: 0.6
title:	Advantech WebAccess and Advantech WebAccess/SCADA Fixes for access control error vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=91017	Trust: 0.6

sources: ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // JVNDB: JVNDB-2019-003119 // CNNVD: CNNVD-201904-094

EXTERNAL IDS

db:	NVD	id:	CVE-2019-6554	Trust: 4.3
db:	ICS CERT	id:	ICSA-19-092-01	Trust: 3.4
db:	ZDI	id:	ZDI-19-331	Trust: 1.3
db:	CNNVD	id:	CNNVD-201904-094	Trust: 0.9
db:	BID	id:	107675	Trust: 0.9
db:	CNVD	id:	CNVD-2019-08947	Trust: 0.8
db:	JVNDB	id:	JVNDB-2019-003119	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-7908	Trust: 0.7
db:	AUSCERT	id:	ESB-2019.1113	Trust: 0.6
db:	IVD	id:	6A9BB3F5-E6BE-4DC2-9D2B-57459A62BF8C	Trust: 0.2
db:	VULHUB	id:	VHN-157989	Trust: 0.1

sources: IVD: 6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c // ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // VULHUB: VHN-157989 // BID: 107675 // JVNDB: JVNDB-2019-003119 // CNNVD: CNNVD-201904-094 // NVD: CVE-2019-6554

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-19-092-01	Trust: 4.1
url:	https://nvd.nist.gov/vuln/detail/cve-2019-6554	Trust: 1.4
url:	http://www.securityfocus.com/bid/107675	Trust: 1.2
url:	https://www.advantech.com/	Trust: 0.9
url:	https://support.advantech.com/support/downloadsrdetail_new.aspx?sr_id=1-ms9mjv&doc_source=download	Trust: 0.9
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-6554	Trust: 0.8
url:	https://www.zerodayinitiative.com/advisories/zdi-19-331/	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/78318	Trust: 0.6

sources: ZDI: ZDI-19-331 // CNVD: CNVD-2019-08947 // VULHUB: VHN-157989 // BID: 107675 // JVNDB: JVNDB-2019-003119 // CNNVD: CNNVD-201904-094 // NVD: CVE-2019-6554

CREDITS

Mat Powell of Trend Micro Zero Day Initiative

Trust: 0.7

sources: ZDI: ZDI-19-331

SOURCES

db:	IVD	id:	6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c
db:	ZDI	id:	ZDI-19-331
db:	CNVD	id:	CNVD-2019-08947
db:	VULHUB	id:	VHN-157989
db:	BID	id:	107675
db:	JVNDB	id:	JVNDB-2019-003119
db:	CNNVD	id:	CNNVD-201904-094
db:	NVD	id:	CVE-2019-6554

LAST UPDATE DATE

2024-08-14T15:02:23.258000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-19-331	date:	2019-04-02T00:00:00
db:	CNVD	id:	CNVD-2019-08947	date:	2019-04-03T00:00:00
db:	VULHUB	id:	VHN-157989	date:	2020-10-16T00:00:00
db:	BID	id:	107675	date:	2019-04-02T00:00:00
db:	JVNDB	id:	JVNDB-2019-003119	date:	2019-05-10T00:00:00
db:	CNNVD	id:	CNNVD-201904-094	date:	2020-10-21T00:00:00
db:	NVD	id:	CVE-2019-6554	date:	2020-10-16T19:17:35.677

SOURCES RELEASE DATE

db:	IVD	id:	6a9bb3f5-e6be-4dc2-9d2b-57459a62bf8c	date:	2019-04-03T00:00:00
db:	ZDI	id:	ZDI-19-331	date:	2019-04-02T00:00:00
db:	CNVD	id:	CNVD-2019-08947	date:	2019-04-03T00:00:00
db:	VULHUB	id:	VHN-157989	date:	2019-04-05T00:00:00
db:	BID	id:	107675	date:	2019-04-02T00:00:00
db:	JVNDB	id:	JVNDB-2019-003119	date:	2019-05-10T00:00:00
db:	CNNVD	id:	CNNVD-201904-094	date:	2019-04-02T00:00:00
db:	NVD	id:	CVE-2019-6554	date:	2019-04-05T19:29:00.407