Details of VAR-201912-1017

ID

VAR-201912-1017

CVE

CVE-2019-18236

TITLE

WECON Technologies PLC Editor Buffer Overflow Vulnerability

Trust: 0.8

sources: IVD: afa54ae5-f289-4601-9bbd-1343261ff637 // CNVD: CNVD-2020-00496

DESCRIPTION

Multiple buffer overflow vulnerabilities exist when the PLC Editor Version 1.3.5_20190129 processes project files. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application. PLC Editor 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. This vulnerability allows remote attackers to execute arbitrary code on affected installations of WECON PLC Editor. 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 the handling of WCP files. A crafted PortPath element in a WCP file can trigger an overflow of a fixed-length buffer. WECON Technologies PLC Editor is a programming software for programmable logic controllers (PLCs) from China WECON Technologies

Trust: 3.6

sources: NVD: CVE-2019-18236 // JVNDB: JVNDB-2019-013556 // ZDI: ZDI-19-1033 // ZDI: ZDI-19-1034 // CNVD: CNVD-2020-00496 // IVD: afa54ae5-f289-4601-9bbd-1343261ff637

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: afa54ae5-f289-4601-9bbd-1343261ff637 // CNVD: CNVD-2020-00496

AFFECTED PRODUCTS

vendor:	we con	model:	plc editor	scope:	eq	version:	1.3.5	Trust: 1.6
vendor:	wecon	model:	plc editor	scope:	-	version:	-	Trust: 1.4
vendor:	wecon	model:	plc editor	scope:	eq	version:	1.3.5_20190129	Trust: 0.8
vendor:	wecon	model:	plc editor 1.3.5 20190129	scope:	-	version:	-	Trust: 0.6
vendor:	plc editor	model:	-	scope:	eq	version:	1.3.5	Trust: 0.2

sources: IVD: afa54ae5-f289-4601-9bbd-1343261ff637 // ZDI: ZDI-19-1033 // ZDI: ZDI-19-1034 // CNVD: CNVD-2020-00496 // JVNDB: JVNDB-2019-013556 // CNNVD: CNNVD-201912-941 // NVD: CVE-2019-18236

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI:	CVE-2019-18236
value:	HIGH
Trust: 1.4
nvd@nist.gov:	CVE-2019-18236
value:	HIGH
Trust: 1.0
NVD:	CVE-2019-18236
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2020-00496
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201912-941
value:	HIGH
Trust: 0.6
IVD:	afa54ae5-f289-4601-9bbd-1343261ff637
value:	HIGH
Trust: 0.2

nvd@nist.gov:	CVE-2019-18236
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-2020-00496
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:	afa54ae5-f289-4601-9bbd-1343261ff637
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

ZDI:	CVE-2019-18236
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: 1.4
nvd@nist.gov:	CVE-2019-18236
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-2019-18236
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-119	Trust: 1.8
problemtype:	CWE-121	Trust: 1.0

sources: JVNDB: JVNDB-2019-013556 // NVD: CVE-2019-18236

TYPE

Buffer error

Trust: 0.8

sources: IVD: afa54ae5-f289-4601-9bbd-1343261ff637 // CNNVD: CNNVD-201912-941

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-013556

PATCH

title:

Top Page

url:

http://www.we-con.com.cn/en/

Trust: 0.8

sources: JVNDB: JVNDB-2019-013556

EXTERNAL IDS

db:	NVD	id:	CVE-2019-18236	Trust: 4.6
db:	ICS CERT	id:	ICSA-19-353-03	Trust: 3.0
db:	ZDI	id:	ZDI-19-1033	Trust: 2.3
db:	ZDI	id:	ZDI-19-1034	Trust: 2.3
db:	CNVD	id:	CNVD-2020-00496	Trust: 0.8
db:	CNNVD	id:	CNNVD-201912-941	Trust: 0.8
db:	JVNDB	id:	JVNDB-2019-013556	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-9122	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-9123	Trust: 0.7
db:	AUSCERT	id:	ESB-2019.4726	Trust: 0.6
db:	IVD	id:	AFA54AE5-F289-4601-9BBD-1343261FF637	Trust: 0.2

REFERENCES

url:	https://www.us-cert.gov/ics/advisories/icsa-19-353-03	Trust: 3.6
url:	https://www.zerodayinitiative.com/advisories/zdi-19-1034/	Trust: 2.2
url:	https://www.zerodayinitiative.com/advisories/zdi-19-1033/	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-18236	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2019-18236	Trust: 0.8
url:	https://www.auscert.org.au/bulletins/esb-2019.4726/	Trust: 0.6

sources: CNVD: CNVD-2020-00496 // JVNDB: JVNDB-2019-013556 // CNNVD: CNNVD-201912-941 // NVD: CVE-2019-18236

CREDITS

Natnael Samson (@NattiSamson)

Trust: 2.0

sources: ZDI: ZDI-19-1033 // ZDI: ZDI-19-1034 // CNNVD: CNNVD-201912-941

SOURCES

db:	IVD	id:	afa54ae5-f289-4601-9bbd-1343261ff637
db:	ZDI	id:	ZDI-19-1033
db:	ZDI	id:	ZDI-19-1034
db:	CNVD	id:	CNVD-2020-00496
db:	JVNDB	id:	JVNDB-2019-013556
db:	CNNVD	id:	CNNVD-201912-941
db:	NVD	id:	CVE-2019-18236

LAST UPDATE DATE

2024-11-23T21:36:22.418000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-19-1033	date:	2019-12-30T00:00:00
db:	ZDI	id:	ZDI-19-1034	date:	2019-12-30T00:00:00
db:	CNVD	id:	CNVD-2020-00496	date:	2020-01-03T00:00:00
db:	JVNDB	id:	JVNDB-2019-013556	date:	2020-01-09T00:00:00
db:	CNNVD	id:	CNNVD-201912-941	date:	2019-12-31T00:00:00
db:	NVD	id:	CVE-2019-18236	date:	2024-11-21T04:32:53.863

SOURCES RELEASE DATE

db:	IVD	id:	afa54ae5-f289-4601-9bbd-1343261ff637	date:	2020-01-03T00:00:00
db:	ZDI	id:	ZDI-19-1033	date:	2019-12-30T00:00:00
db:	ZDI	id:	ZDI-19-1034	date:	2019-12-30T00:00:00
db:	CNVD	id:	CNVD-2020-00496	date:	2020-01-03T00:00:00
db:	JVNDB	id:	JVNDB-2019-013556	date:	2020-01-09T00:00:00
db:	CNNVD	id:	CNNVD-201912-941	date:	2019-12-19T00:00:00
db:	NVD	id:	CVE-2019-18236	date:	2019-12-23T20:15:10.877