Details of VAR-201805-1141

ID

VAR-201805-1141

CVE

CVE-2018-7495

TITLE

plural Advantech WebAccess Path traversal vulnerability in products

Trust: 0.8

sources: JVNDB: JVNDB-2018-005070

DESCRIPTION

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an external control of file name or path vulnerability has been identified, which may allow an attacker to delete files. plural Advantech WebAccess The product contains a path traversal vulnerability.Information may be tampered with. This vulnerability allows remote attackers to delete arbitrary files on vulnerable installations of Advantech WebAccess Node. Authentication is not required to exploit this vulnerability.The specific flaw exists within the implementation of the 0x2715 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this functionality to delete files under the context of Administrator. Advantech WebAccess and others are products of Advantech. Advantech WebAccess is a browser-based HMI/SCADA software. The software supports dynamic graphical display and real-time data control, and provides the ability to remotely control and manage automation equipment. WebAccess Dashboard is one of the dashboard components; WebAccess Scada Node is one of the monitoring node components. WebAccess/NMS is a suite of web browsers for the Network Management System (NMS). Security vulnerabilities exist in several Advantech products. Multiple SQL-injection vulnerabilities 2. An information-disclosure vulnerability 3. A file-upload vulnerability 4. Multiple directory-traversal vulnerabilities 5. Multiple stack-based buffer-overflow vulnerabilities 6. A heap-based buffer-overflow vulnerability 7. Multiple arbitrary code-execution vulnerabilities 8. A denial-of-service vulnerability 9. A security-bypass vulnerability 10. A privilege-escalation vulnerability An attacker can exploit these issues to execute arbitrary code in the context of the application, or modify data, or exploit latent vulnerabilities in the underlying database, delete arbitrary files, gain elevated privileges, perform certain unauthorized actions, upload arbitrary files to the affected application gain unauthorized access and obtain sensitive information. Failed attacks will cause denial of service conditions. Advantech WebAccess, etc. Advantech WebAccess is a set of HMI/SCADA software based on browser architecture. The following versions are affected: Advantech WebAccess 8.2_20170817 and earlier, 8.3.0 and earlier; WebAccess Dashboard 2.0.15 and earlier; WebAccess Scada Node 8.3.1 and earlier; WebAccess/NMS 2.0.3 and earlier

Trust: 3.33

sources: NVD: CVE-2018-7495 // JVNDB: JVNDB-2018-005070 // ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // BID: 104190 // IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // VULHUB: VHN-137527

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // CNVD: CNVD-2018-13786

AFFECTED PRODUCTS

vendor:	advantech	model:	webaccess	scope:	lte	version:	8.2_20170817	Trust: 1.8
vendor:	advantech	model:	webaccess	scope:	lte	version:	8.3.0	Trust: 1.8
vendor:	advantech	model:	webaccess dashboard	scope:	lte	version:	2.0.15	Trust: 1.8
vendor:	advantech	model:	webaccess scada	scope:	lt	version:	8.3.1	Trust: 1.0
vendor:	advantech	model:	webaccess\/nms	scope:	lte	version:	2.0.3	Trust: 1.0
vendor:	advantech	model:	webaccess dashboard	scope:	eq	version:	2.0.15	Trust: 0.9
vendor:	advantech	model:	webaccess scada node	scope:	lt	version:	8.3.1	Trust: 0.8
vendor:	advantech	model:	webaccess/nms	scope:	lte	version:	2.0.3	Trust: 0.8
vendor:	advantech	model:	webaccess node	scope:	-	version:	-	Trust: 0.7
vendor:	advantech	model:	webaccess <=8.2 20170817	scope:	-	version:	-	Trust: 0.6
vendor:	advantech	model:	webaccess	scope:	lte	version:	<=8.3.0	Trust: 0.6
vendor:	advantech	model:	webaccess dashboard	scope:	lte	version:	<=2.0.15	Trust: 0.6
vendor:	advantech	model:	webaccess/nms	scope:	lte	version:	<=2.0.3	Trust: 0.6
vendor:	advantech	model:	webaccess scada node	scope:	lte	version:	<=8.3.1	Trust: 0.6
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.3.0	Trust: 0.6
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.2_20170817	Trust: 0.6
vendor:	advantech	model:	webaccess\/nms	scope:	eq	version:	2.0.3	Trust: 0.6
vendor:	webaccess	model:	-	scope:	eq	version:	*	Trust: 0.4
vendor:	advantech	model:	webaccess/nms	scope:	eq	version:	2.0.3	Trust: 0.3
vendor:	advantech	model:	webaccess/nms	scope:	eq	version:	2.0	Trust: 0.3
vendor:	advantech	model:	webaccess scada node	scope:	eq	version:	8.3	Trust: 0.3
vendor:	advantech	model:	webaccess dashboard	scope:	eq	version:	2.0	Trust: 0.3
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.3	Trust: 0.3
vendor:	advantech	model:	webaccess 8.2 20170817	scope:	-	version:	-	Trust: 0.3
vendor:	advantech	model:	webaccess 8.2 20170330	scope:	-	version:	-	Trust: 0.3
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.2	Trust: 0.3
vendor:	advantech	model:	webaccess 8.1 20160519	scope:	-	version:	-	Trust: 0.3
vendor:	advantech	model:	webaccess	scope:	eq	version:	8.1	Trust: 0.3
vendor:	advantech	model:	webaccess 8.0 20150816	scope:	-	version:	-	Trust: 0.3
vendor:	advantech	model:	webaccess	scope:	eq	version:	8	Trust: 0.3
vendor:	advantech	model:	webaccess	scope:	ne	version:	8.3.1	Trust: 0.3
vendor:	webaccess dashboard	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	webaccess scada	model:	-	scope:	eq	version:	*	Trust: 0.2
vendor:	webaccess nms	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // BID: 104190 // JVNDB: JVNDB-2018-005070 // CNNVD: CNNVD-201805-448 // NVD: CVE-2018-7495

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-7495
value:	HIGH
Trust: 1.0
NVD:	CVE-2018-7495
value:	HIGH
Trust: 0.8
ZDI:	CVE-2018-7495
value:	HIGH
Trust: 0.7
CNVD:	CNVD-2018-13786
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201805-448
value:	HIGH
Trust: 0.6
IVD:	e2f700a2-39ab-11e9-92ad-000c29342cb1
value:	HIGH
Trust: 0.2
VULHUB:	VHN-137527
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2018-7495
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
ZDI:	CVE-2018-7495
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: 0.7
CNVD:	CNVD-2018-13786
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	e2f700a2-39ab-11e9-92ad-000c29342cb1
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-137527
severity:	MEDIUM
baseScore:	6.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-7495
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // VULHUB: VHN-137527 // JVNDB: JVNDB-2018-005070 // CNNVD: CNNVD-201805-448 // NVD: CVE-2018-7495

PROBLEMTYPE DATA

problemtype:	CWE-22	Trust: 1.9
problemtype:	CWE-73	Trust: 1.0

sources: VULHUB: VHN-137527 // JVNDB: JVNDB-2018-005070 // NVD: CVE-2018-7495

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201805-448

TYPE

Path traversal

Trust: 0.8

sources: IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // CNNVD: CNNVD-201805-448

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-005070

PATCH

title:	トップページ	url:	http://www.advantech.co.jp/	Trust: 0.8
title:	Advantech has issued an update to correct this vulnerability.	url:	https://ics-cert.us-cert.gov/advisories/ICSA-18-135-01	Trust: 0.7
title:	Patches for multiple Advantech product file names or path external control vulnerabilities	url:	https://www.cnvd.org.cn/patchInfo/show/135199	Trust: 0.6
title:	Multiple Advantech Product security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=80058	Trust: 0.6

sources: ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // JVNDB: JVNDB-2018-005070 // CNNVD: CNNVD-201805-448

EXTERNAL IDS

db:	NVD	id:	CVE-2018-7495	Trust: 4.3
db:	ICS CERT	id:	ICSA-18-135-01	Trust: 3.4
db:	BID	id:	104190	Trust: 2.6
db:	CNNVD	id:	CNNVD-201805-448	Trust: 0.9
db:	CNVD	id:	CNVD-2018-13786	Trust: 0.8
db:	JVNDB	id:	JVNDB-2018-005070	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-5664	Trust: 0.7
db:	ZDI	id:	ZDI-18-499	Trust: 0.7
db:	IVD	id:	E2F700A2-39AB-11E9-92AD-000C29342CB1	Trust: 0.2
db:	VULHUB	id:	VHN-137527	Trust: 0.1

sources: IVD: e2f700a2-39ab-11e9-92ad-000c29342cb1 // ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // VULHUB: VHN-137527 // BID: 104190 // JVNDB: JVNDB-2018-005070 // CNNVD: CNNVD-201805-448 // NVD: CVE-2018-7495

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-18-135-01	Trust: 4.1
url:	http://www.securityfocus.com/bid/104190	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-7495	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-7495	Trust: 0.8
url:	http://webaccess.advantech.com	Trust: 0.3

sources: ZDI: ZDI-18-499 // CNVD: CNVD-2018-13786 // VULHUB: VHN-137527 // BID: 104190 // JVNDB: JVNDB-2018-005070 // CNNVD: CNNVD-201805-448 // NVD: CVE-2018-7495

CREDITS

Steven Seeley (mr_me) of Offensive Security

Trust: 0.7

sources: ZDI: ZDI-18-499

SOURCES

db:	IVD	id:	e2f700a2-39ab-11e9-92ad-000c29342cb1
db:	ZDI	id:	ZDI-18-499
db:	CNVD	id:	CNVD-2018-13786
db:	VULHUB	id:	VHN-137527
db:	BID	id:	104190
db:	JVNDB	id:	JVNDB-2018-005070
db:	CNNVD	id:	CNNVD-201805-448
db:	NVD	id:	CVE-2018-7495

LAST UPDATE DATE

2024-08-14T13:45:48.555000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-18-499	date:	2018-05-18T00:00:00
db:	CNVD	id:	CNVD-2018-13786	date:	2018-07-24T00:00:00
db:	VULHUB	id:	VHN-137527	date:	2019-10-09T00:00:00
db:	BID	id:	104190	date:	2018-05-15T00:00:00
db:	JVNDB	id:	JVNDB-2018-005070	date:	2018-07-05T00:00:00
db:	CNNVD	id:	CNNVD-201805-448	date:	2019-10-17T00:00:00
db:	NVD	id:	CVE-2018-7495	date:	2019-10-09T23:42:19.300

SOURCES RELEASE DATE

db:	IVD	id:	e2f700a2-39ab-11e9-92ad-000c29342cb1	date:	2018-07-24T00:00:00
db:	ZDI	id:	ZDI-18-499	date:	2018-05-18T00:00:00
db:	CNVD	id:	CNVD-2018-13786	date:	2018-07-24T00:00:00
db:	VULHUB	id:	VHN-137527	date:	2018-05-15T00:00:00
db:	BID	id:	104190	date:	2018-05-15T00:00:00
db:	JVNDB	id:	JVNDB-2018-005070	date:	2018-07-05T00:00:00
db:	CNNVD	id:	CNNVD-201805-448	date:	2018-05-16T00:00:00
db:	NVD	id:	CVE-2018-7495	date:	2018-05-15T22:29:00.410