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ID

VAR-202110-0989


CVE

CVE-2021-38442


TITLE

Fatek Automation WinProladder PDW File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Trust: 2.1

sources: ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1173

DESCRIPTION

FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in a heap-corruption condition. An attacker could leverage this vulnerability to execute code in the context of the current process. FATEK Automation WinProladder Exists in a buffer error vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in 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 the parsing of PDW files. FATEK Automation WinProladder is a PLC of China FATEK Automation company

Trust: 7.92

sources: NVD: CVE-2021-38442 // JVNDB: JVNDB-2021-013908 // ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // CNVD: CNVD-2021-83602 // VULMON: CVE-2021-38442

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-83602

AFFECTED PRODUCTS

vendor:fatek automationmodel:winproladderscope: - version: -

Trust: 6.3

vendor:fatekmodel:winproladderscope:lteversion:3.30

Trust: 1.0

vendor:fatek automationmodel:winproladderscope:eqversion: -

Trust: 0.8

vendor:fatek automationmodel:winproladderscope:lteversion:3.30 and earlier

Trust: 0.8

vendor:fatekmodel:automation winproladderscope:lteversion:<=3.30

Trust: 0.6

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // CNVD: CNVD-2021-83602 // JVNDB: JVNDB-2021-013908 // NVD: CVE-2021-38442

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: CVE-2021-38442
value: HIGH

Trust: 6.3

nvd@nist.gov: CVE-2021-38442
value: HIGH

Trust: 1.0

ics-cert@hq.dhs.gov: CVE-2021-38442
value: HIGH

Trust: 1.0

NVD: CVE-2021-38442
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-83602
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202110-404
value: HIGH

Trust: 0.6

VULMON: CVE-2021-38442
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-38442
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: 1.9

CNVD: CNVD-2021-83602
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: 0.6

ZDI: CVE-2021-38442
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: 5.6

nvd@nist.gov: CVE-2021-38442
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: 2.0

OTHER: JVNDB-2021-013908
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

ZDI: CVE-2021-38442
baseSeverity: HIGH
baseScore: 8.8
vectorString: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // CNVD: CNVD-2021-83602 // VULMON: CVE-2021-38442 // JVNDB: JVNDB-2021-013908 // CNNVD: CNNVD-202110-404 // NVD: CVE-2021-38442 // NVD: CVE-2021-38442

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-787

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-013908 // NVD: CVE-2021-38442

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202110-404

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202110-404

PATCH

title:Fatek Automation has issued an update to correct this vulnerability.url:https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06

Trust: 6.3

title:Top Pageurl:https://www.fatek.com/en

Trust: 0.8

title:FATEK Automation WinProladder Buffer error vulnerability fixurl:http://123.124.177.30/web/xxk/bdxqById.tag?id=166186

Trust: 0.6

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // JVNDB: JVNDB-2021-013908 // CNNVD: CNNVD-202110-404

EXTERNAL IDS

db:NVDid:CVE-2021-38442

Trust: 10.2

db:ICS CERTid:ICSA-21-280-06

Trust: 3.1

db:ZDIid:ZDI-21-1178

Trust: 1.3

db:ZDIid:ZDI-21-1174

Trust: 0.8

db:JVNid:JVNVU93626160

Trust: 0.8

db:JVNDBid:JVNDB-2021-013908

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-13884

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13906

Trust: 0.7

db:ZDIid:ZDI-21-1177

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13905

Trust: 0.7

db:ZDIid:ZDI-21-1176

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13904

Trust: 0.7

db:ZDIid:ZDI-21-1175

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13903

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13852

Trust: 0.7

db:ZDIid:ZDI-21-1173

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13790

Trust: 0.7

db:ZDIid:ZDI-21-1172

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-14072

Trust: 0.7

db:ZDIid:ZDI-21-1167

Trust: 0.7

db:ZDI_CANid:ZDI-CAN-13934

Trust: 0.7

db:ZDIid:ZDI-21-1166

Trust: 0.7

db:CNVDid:CNVD-2021-83602

Trust: 0.6

db:AUSCERTid:ESB-2021.3351

Trust: 0.6

db:CS-HELPid:SB2021100805

Trust: 0.6

db:CNNVDid:CNNVD-202110-404

Trust: 0.6

db:VULMONid:CVE-2021-38442

Trust: 0.1

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // CNVD: CNVD-2021-83602 // VULMON: CVE-2021-38442 // JVNDB: JVNDB-2021-013908 // CNNVD: CNNVD-202110-404 // NVD: CVE-2021-38442

REFERENCES

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06

Trust: 9.2

url:https://nvd.nist.gov/vuln/detail/cve-2021-38442

Trust: 1.4

url:http://jvn.jp/vu/jvnvu93626160/index.html

Trust: 0.8

url:https://www.cisa.gov/uscert/ics/advisories/icsa-21-280-06

Trust: 0.8

url:https://www.auscert.org.au/bulletins/esb-2021.3351

Trust: 0.6

url:https://www.zerodayinitiative.com/advisories/zdi-21-1178/

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021100805

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/119.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://www.zerodayinitiative.com/advisories/zdi-21-1174/

Trust: 0.1

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1172 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166 // CNVD: CNVD-2021-83602 // VULMON: CVE-2021-38442 // JVNDB: JVNDB-2021-013908 // CNNVD: CNNVD-202110-404 // NVD: CVE-2021-38442

CREDITS

xina1i

Trust: 5.6

sources: ZDI: ZDI-21-1178 // ZDI: ZDI-21-1177 // ZDI: ZDI-21-1176 // ZDI: ZDI-21-1175 // ZDI: ZDI-21-1174 // ZDI: ZDI-21-1173 // ZDI: ZDI-21-1167 // ZDI: ZDI-21-1166

SOURCES

db:ZDIid:ZDI-21-1178
db:ZDIid:ZDI-21-1177
db:ZDIid:ZDI-21-1176
db:ZDIid:ZDI-21-1175
db:ZDIid:ZDI-21-1174
db:ZDIid:ZDI-21-1173
db:ZDIid:ZDI-21-1172
db:ZDIid:ZDI-21-1167
db:ZDIid:ZDI-21-1166
db:CNVDid:CNVD-2021-83602
db:VULMONid:CVE-2021-38442
db:JVNDBid:JVNDB-2021-013908
db:CNNVDid:CNNVD-202110-404
db:NVDid:CVE-2021-38442

LAST UPDATE DATE

2024-08-14T13:23:18.651000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-21-1178date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1177date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1176date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1175date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1174date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1173date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1172date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1167date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1166date:2021-10-14T00:00:00
db:CNVDid:CNVD-2021-83602date:2022-01-18T00:00:00
db:VULMONid:CVE-2021-38442date:2021-10-21T00:00:00
db:JVNDBid:JVNDB-2021-013908date:2022-09-29T07:07:00
db:CNNVDid:CNNVD-202110-404date:2022-10-26T00:00:00
db:NVDid:CVE-2021-38442date:2022-10-25T15:28:51.747

SOURCES RELEASE DATE

db:ZDIid:ZDI-21-1178date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1177date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1176date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1175date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1174date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1173date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1172date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1167date:2021-10-14T00:00:00
db:ZDIid:ZDI-21-1166date:2021-10-14T00:00:00
db:CNVDid:CNVD-2021-83602date:2021-10-07T00:00:00
db:VULMONid:CVE-2021-38442date:2021-10-18T00:00:00
db:JVNDBid:JVNDB-2021-013908date:2022-09-29T00:00:00
db:CNNVDid:CNNVD-202110-404date:2021-10-07T00:00:00
db:NVDid:CVE-2021-38442date:2021-10-18T13:15:09.940