Details of VAR-201810-0494

ID

VAR-201810-0494

CVE

CVE-2018-17911

TITLE

LAquis SCADA Buffer error vulnerability

Trust: 1.4

sources: JVNDB: JVNDB-2018-011025 // CNNVD: CNNVD-201810-763

DESCRIPTION

LAquis SCADA Versions 4.1.0.3870 and prior has several stack-based buffer overflow vulnerabilities, which may allow remote code execution. LAquis SCADA Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within aq.exe. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this functionality to execute code in the context of the current process. LAquis SCADA is a suite of SCADA software for monitoring and data acquisition

Trust: 4.23

sources: NVD: CVE-2018-17911 // JVNDB: JVNDB-2018-011025 // ZDI: ZDI-18-1257 // ZDI: ZDI-18-1259 // ZDI: ZDI-18-1258 // CNVD: CNVD-2018-21323 // IVD: e2fe0581-39ab-11e9-b6a7-000c29342cb1

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: e2fe0581-39ab-11e9-b6a7-000c29342cb1 // CNVD: CNVD-2018-21323

AFFECTED PRODUCTS

vendor:	laquis	model:	scada	scope:	-	version:	-	Trust: 2.1
vendor:	lcds	model:	laquis scada	scope:	lte	version:	4.1.0.3870	Trust: 1.8
vendor:	lcds	model:	\342\200\223 le\303\243o consultoria e desenvolvimento de sistemas ltda me laquis scada <=4.1.0.3870	scope:	-	version:	-	Trust: 0.6
vendor:	lcds	model:	laquis scada	scope:	eq	version:	4.1.0.3870	Trust: 0.6
vendor:	laquis scada	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: e2fe0581-39ab-11e9-b6a7-000c29342cb1 // ZDI: ZDI-18-1257 // ZDI: ZDI-18-1259 // ZDI: ZDI-18-1258 // CNVD: CNVD-2018-21323 // JVNDB: JVNDB-2018-011025 // CNNVD: CNNVD-201810-763 // NVD: CVE-2018-17911

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI:	CVE-2018-17911
value:	HIGH
Trust: 2.1
nvd@nist.gov:	CVE-2018-17911
value:	HIGH
Trust: 1.0
NVD:	CVE-2018-17911
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2018-21323
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201810-763
value:	HIGH
Trust: 0.6
IVD:	e2fe0581-39ab-11e9-b6a7-000c29342cb1
value:	HIGH
Trust: 0.2

nvd@nist.gov:	CVE-2018-17911
severity:	MEDIUM
baseScore:	6.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2018-21323
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	e2fe0581-39ab-11e9-b6a7-000c29342cb1
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2

ZDI:	CVE-2018-17911
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.0
Trust: 2.1
nvd@nist.gov:	CVE-2018-17911
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2018-17911
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

PROBLEMTYPE DATA

problemtype:	CWE-121	Trust: 1.0
problemtype:	CWE-787	Trust: 1.0
problemtype:	CWE-119	Trust: 0.8

sources: JVNDB: JVNDB-2018-011025 // NVD: CVE-2018-17911

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-201810-763

TYPE

Buffer error

Trust: 0.8

sources: IVD: e2fe0581-39ab-11e9-b6a7-000c29342cb1 // CNNVD: CNNVD-201810-763

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-011025

PATCH

title:	LAquis has issued an update to correct this vulnerability.	url:	https://ics-cert.us-cert.gov/advisories/ICSA-18-289-01	Trust: 2.1
title:	LAquis SCADA software	url:	https://laquisscada.com/instale1.php	Trust: 0.8
title:	Patch for LAquis SCADA Buffer Overflow Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/142805	Trust: 0.6
title:	LAquis SCADA Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=85847	Trust: 0.6

sources: ZDI: ZDI-18-1257 // ZDI: ZDI-18-1259 // ZDI: ZDI-18-1258 // CNVD: CNVD-2018-21323 // JVNDB: JVNDB-2018-011025 // CNNVD: CNNVD-201810-763

EXTERNAL IDS

db:	NVD	id:	CVE-2018-17911	Trust: 5.3
db:	ICS CERT	id:	ICSA-18-289-01	Trust: 3.0
db:	ZDI	id:	ZDI-18-1258	Trust: 2.3
db:	CNVD	id:	CNVD-2018-21323	Trust: 0.8
db:	CNNVD	id:	CNNVD-201810-763	Trust: 0.8
db:	JVNDB	id:	JVNDB-2018-011025	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-6544	Trust: 0.7
db:	ZDI	id:	ZDI-18-1257	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-6546	Trust: 0.7
db:	ZDI	id:	ZDI-18-1259	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-6545	Trust: 0.7
db:	IVD	id:	E2FE0581-39AB-11E9-B6A7-000C29342CB1	Trust: 0.2

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-18-289-01	Trust: 5.1
url:	https://www.zerodayinitiative.com/advisories/zdi-18-1258/	Trust: 1.6
url:	http://laquisscada.com/instale1.php	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-17911	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2018-17911	Trust: 0.8

sources: ZDI: ZDI-18-1257 // ZDI: ZDI-18-1259 // ZDI: ZDI-18-1258 // CNVD: CNVD-2018-21323 // JVNDB: JVNDB-2018-011025 // CNNVD: CNNVD-201810-763 // NVD: CVE-2018-17911

CREDITS

Mat Powell of Trend Micro Zero Day Initiative

Trust: 2.1

sources: ZDI: ZDI-18-1257 // ZDI: ZDI-18-1259 // ZDI: ZDI-18-1258

SOURCES

db:	IVD	id:	e2fe0581-39ab-11e9-b6a7-000c29342cb1
db:	ZDI	id:	ZDI-18-1257
db:	ZDI	id:	ZDI-18-1259
db:	ZDI	id:	ZDI-18-1258
db:	CNVD	id:	CNVD-2018-21323
db:	JVNDB	id:	JVNDB-2018-011025
db:	CNNVD	id:	CNNVD-201810-763
db:	NVD	id:	CVE-2018-17911

LAST UPDATE DATE

2024-08-14T13:27:31.763000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-18-1257	date:	2018-10-16T00:00:00
db:	ZDI	id:	ZDI-18-1259	date:	2018-10-16T00:00:00
db:	ZDI	id:	ZDI-18-1258	date:	2018-10-16T00:00:00
db:	CNVD	id:	CNVD-2018-21323	date:	2018-10-18T00:00:00
db:	JVNDB	id:	JVNDB-2018-011025	date:	2019-01-04T00:00:00
db:	CNNVD	id:	CNNVD-201810-763	date:	2020-09-21T00:00:00
db:	NVD	id:	CVE-2018-17911	date:	2020-09-18T17:24:18.457

SOURCES RELEASE DATE

db:	IVD	id:	e2fe0581-39ab-11e9-b6a7-000c29342cb1	date:	2018-10-18T00:00:00
db:	ZDI	id:	ZDI-18-1257	date:	2018-10-16T00:00:00
db:	ZDI	id:	ZDI-18-1259	date:	2018-10-16T00:00:00
db:	ZDI	id:	ZDI-18-1258	date:	2018-10-16T00:00:00
db:	CNVD	id:	CNVD-2018-21323	date:	2018-10-18T00:00:00
db:	JVNDB	id:	JVNDB-2018-011025	date:	2019-01-04T00:00:00
db:	CNNVD	id:	CNNVD-201810-763	date:	2018-10-17T00:00:00
db:	NVD	id:	CVE-2018-17911	date:	2018-10-17T02:29:01.280