Details of VAR-201812-0480

ID

VAR-201812-0480

CVE

CVE-2018-18999

TITLE

WebAccess/SCADA Input validation vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2018-013453

DESCRIPTION

WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack. WebAccess/SCADA Contains an input validation vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. 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. A buffer overflow vulnerability exists in Advantech WebAccess/SCADA version 8.3.2 based on the Windows 2008 R2 SP1 platform that could allow an attacker to execute arbitrary code or cause a denial of service in the context of an affected application. Advantech WebAccess/SCADA is prone to a stack-based buffer-overflow vulnerability because it fails to perform adequate boundary checks on user-supplied input. Failed exploit attempts will likely cause denial-of-service conditions. Advantech WebAccess/SCADA version 8.3.2 is vulnerable

Trust: 2.7

sources: NVD: CVE-2018-18999 // JVNDB: JVNDB-2018-013453 // CNVD: CNVD-2019-32478 // BID: 106245 // IVD: 7b46aec3-e0f9-4eae-beb8-00887207fb47 // VULHUB: VHN-129614

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: 7b46aec3-e0f9-4eae-beb8-00887207fb47 // CNVD: CNVD-2019-32478

AFFECTED PRODUCTS

vendor:	advantech	model:	webaccess/scada	scope:	eq	version:	8.3.2	Trust: 1.7
vendor:	advantech	model:	webaccess\/scada	scope:	eq	version:	8.3.2	Trust: 1.6
vendor:	advantech	model:	webaccess/scada	scope:	ne	version:	8.3.4	Trust: 0.3
vendor:	webaccess scada	model:	-	scope:	eq	version:	8.3.2	Trust: 0.2

sources: IVD: 7b46aec3-e0f9-4eae-beb8-00887207fb47 // CNVD: CNVD-2019-32478 // BID: 106245 // JVNDB: JVNDB-2018-013453 // CNNVD: CNNVD-201812-789 // NVD: CVE-2018-18999

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-18999
value:	HIGH
Trust: 1.0
NVD:	CVE-2018-18999
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2019-32478
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201812-789
value:	HIGH
Trust: 0.6
IVD:	7b46aec3-e0f9-4eae-beb8-00887207fb47
value:	HIGH
Trust: 0.2
VULHUB:	VHN-129614
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-18999
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: 1.8
CNVD:	CNVD-2019-32478
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: 0.6
IVD:	7b46aec3-e0f9-4eae-beb8-00887207fb47
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:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-129614
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-2018-18999
baseSeverity:	HIGH
baseScore:	7.3
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	3.9
impactScore:	3.4
version:	3.1
Trust: 1.0
NVD:	CVE-2018-18999
baseSeverity:	HIGH
baseScore:	7.3
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: IVD: 7b46aec3-e0f9-4eae-beb8-00887207fb47 // CNVD: CNVD-2019-32478 // VULHUB: VHN-129614 // JVNDB: JVNDB-2018-013453 // CNNVD: CNNVD-201812-789 // NVD: CVE-2018-18999

PROBLEMTYPE DATA

problemtype:	CWE-20	Trust: 1.9
problemtype:	CWE-787	Trust: 1.1

sources: VULHUB: VHN-129614 // JVNDB: JVNDB-2018-013453 // NVD: CVE-2018-18999

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201812-789

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201812-789

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-013453

PATCH

title:	WebAccess/SCADA	url:	https://www.advantech.com/industrial-automation/webaccess/webaccessscada	Trust: 0.8
title:	Patch for Advantech WebAccess/SCADA Buffer Overflow Vulnerability (CNVD-2019-32478)	url:	https://www.cnvd.org.cn/patchInfo/show/181475	Trust: 0.6
title:	Advantech WebAccess/SCADA Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=87986	Trust: 0.6

sources: CNVD: CNVD-2019-32478 // JVNDB: JVNDB-2018-013453 // CNNVD: CNNVD-201812-789

EXTERNAL IDS

db:	NVD	id:	CVE-2018-18999	Trust: 3.6
db:	ICS CERT	id:	ICSA-18-352-02	Trust: 3.4
db:	BID	id:	106245	Trust: 2.0
db:	TENABLE	id:	TRA-2018-45	Trust: 1.7
db:	CNNVD	id:	CNNVD-201812-789	Trust: 0.9
db:	CNVD	id:	CNVD-2019-32478	Trust: 0.8
db:	JVNDB	id:	JVNDB-2018-013453	Trust: 0.8
db:	IVD	id:	7B46AEC3-E0F9-4EAE-BEB8-00887207FB47	Trust: 0.2
db:	SEEBUG	id:	SSVID-97745	Trust: 0.1
db:	SEEBUG	id:	SSVID-98830	Trust: 0.1
db:	VULHUB	id:	VHN-129614	Trust: 0.1

sources: IVD: 7b46aec3-e0f9-4eae-beb8-00887207fb47 // CNVD: CNVD-2019-32478 // VULHUB: VHN-129614 // BID: 106245 // JVNDB: JVNDB-2018-013453 // CNNVD: CNNVD-201812-789 // NVD: CVE-2018-18999

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-18-352-02	Trust: 3.4
url:	http://www.securityfocus.com/bid/106245	Trust: 1.7
url:	https://www.tenable.com/security/research/tra-2018-45	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-18999	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-18999	Trust: 0.8
url:	http://www.advantech.in/	Trust: 0.3
url:	http://www.advantech.com/industrial-automation/webaccess/webaccessscada	Trust: 0.3

sources: CNVD: CNVD-2019-32478 // VULHUB: VHN-129614 // BID: 106245 // JVNDB: JVNDB-2018-013453 // CNNVD: CNNVD-201812-789 // NVD: CVE-2018-18999

CREDITS

Jacob Baines of Tenable Network Security

Trust: 0.3

sources: BID: 106245

SOURCES

db:	IVD	id:	7b46aec3-e0f9-4eae-beb8-00887207fb47
db:	CNVD	id:	CNVD-2019-32478
db:	VULHUB	id:	VHN-129614
db:	BID	id:	106245
db:	JVNDB	id:	JVNDB-2018-013453
db:	CNNVD	id:	CNNVD-201812-789
db:	NVD	id:	CVE-2018-18999

LAST UPDATE DATE

2024-08-14T14:39:06.685000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2019-32478	date:	2019-11-07T00:00:00
db:	VULHUB	id:	VHN-129614	date:	2020-09-18T00:00:00
db:	BID	id:	106245	date:	2018-12-18T00:00:00
db:	JVNDB	id:	JVNDB-2018-013453	date:	2019-02-21T00:00:00
db:	CNNVD	id:	CNNVD-201812-789	date:	2020-09-21T00:00:00
db:	NVD	id:	CVE-2018-18999	date:	2020-09-18T16:53:24.537

SOURCES RELEASE DATE

db:	IVD	id:	7b46aec3-e0f9-4eae-beb8-00887207fb47	date:	2019-09-21T00:00:00
db:	CNVD	id:	CNVD-2019-32478	date:	2019-09-21T00:00:00
db:	VULHUB	id:	VHN-129614	date:	2018-12-19T00:00:00
db:	BID	id:	106245	date:	2018-12-18T00:00:00
db:	JVNDB	id:	JVNDB-2018-013453	date:	2019-02-21T00:00:00
db:	CNNVD	id:	CNNVD-201812-789	date:	2018-12-19T00:00:00
db:	NVD	id:	CVE-2018-18999	date:	2018-12-19T18:29:00.203