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ID

VAR-201910-1742


TITLE

S7HTREEX.OCX control of Siemens SIMATIC STEP 7 has an out-of-bounds access vulnerability

Trust: 0.6

sources: CNVD: CNVD-2019-36478

DESCRIPTION

Siemens SIMATIC STEP 7 (TIA Portal) is a set of programming software for SIMATIC controllers from Siemens (Germany). The software provides PLC programming, design option packages and advanced driver technology. The S7HTREEX.OCX control of Siemens SIMATIC STEP 7 has an out-of-bounds access vulnerability. An attacker could exploit the vulnerability to cause out-of-bounds access

Trust: 0.72

sources: CNVD: CNVD-2019-36478 // IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.8

sources: IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08 // CNVD: CNVD-2019-36478

AFFECTED PRODUCTS

vendor:siemensmodel:simatic stepscope:eqversion:7

Trust: 0.8

sources: IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08 // CNVD: CNVD-2019-36478

CVSS

SEVERITY

CVSSV2

CVSSV3

CNVD: CNVD-2019-36478
value: HIGH

Trust: 0.6

IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08
value: HIGH

Trust: 0.2

CNVD: CNVD-2019-36478
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: 5e0a3715-aef4-4366-802c-e52c11dd4a08
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

sources: IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08 // CNVD: CNVD-2019-36478

TYPE

Permission permission and access control

Trust: 0.2

sources: IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08

PATCH

title:Binary Vulnerability in SetEnabled Function of S7HTREEX.OCX Control of SIMATIC STEP 7url:https://www.cnvd.org.cn/patchinfo/show/180645

Trust: 0.6

sources: CNVD: CNVD-2019-36478

EXTERNAL IDS

db:CNVDid:CNVD-2019-36478

Trust: 0.8

db:IVDid:5E0A3715-AEF4-4366-802C-E52C11DD4A08

Trust: 0.2

sources: IVD: 5e0a3715-aef4-4366-802c-e52c11dd4a08 // CNVD: CNVD-2019-36478

SOURCES

db:IVDid:5e0a3715-aef4-4366-802c-e52c11dd4a08
db:CNVDid:CNVD-2019-36478

LAST UPDATE DATE

2022-05-17T02:10:28.211000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2019-36478date:2020-01-23T00:00:00

SOURCES RELEASE DATE

db:IVDid:5e0a3715-aef4-4366-802c-e52c11dd4a08date:2019-10-22T00:00:00
db:CNVDid:CNVD-2019-36478date:2019-10-31T00:00:00