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ID

VAR-201910-1738


TITLE

Integer overflow vulnerability in S7hcom_x.dll control of Siemens SIMATIC STEP 7

Trust: 0.6

sources: CNVD: CNVD-2019-36483

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. An integer overflow vulnerability exists in the S7hcom_x.dll control of Siemens SIMATIC STEP 7. An attacker could exploit the vulnerability to cause an integer overflow

Trust: 0.72

sources: CNVD: CNVD-2019-36483 // IVD: c0e4fa63-a338-48ac-ac34-a97276713008

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.8

sources: IVD: c0e4fa63-a338-48ac-ac34-a97276713008 // CNVD: CNVD-2019-36483

AFFECTED PRODUCTS

vendor:siemensmodel:simatic stepscope:eqversion:7<14

Trust: 0.8

sources: IVD: c0e4fa63-a338-48ac-ac34-a97276713008 // CNVD: CNVD-2019-36483

CVSS

SEVERITY

CVSSV2

CVSSV3

CNVD: CNVD-2019-36483
value: HIGH

Trust: 0.6

IVD: c0e4fa63-a338-48ac-ac34-a97276713008
value: HIGH

Trust: 0.2

CNVD: CNVD-2019-36483
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: c0e4fa63-a338-48ac-ac34-a97276713008
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: c0e4fa63-a338-48ac-ac34-a97276713008 // CNVD: CNVD-2019-36483

TYPE

Buffer error

Trust: 0.2

sources: IVD: c0e4fa63-a338-48ac-ac34-a97276713008

PATCH

title:Binary vulnerability exists in S7hcom_x.dll control_GetObject function of SIEMENS SIMATIC STEP 7url:https://www.cnvd.org.cn/patchinfo/show/180691

Trust: 0.6

sources: CNVD: CNVD-2019-36483

EXTERNAL IDS

db:CNVDid:CNVD-2019-36483

Trust: 0.8

db:IVDid:C0E4FA63-A338-48AC-AC34-A97276713008

Trust: 0.2

sources: IVD: c0e4fa63-a338-48ac-ac34-a97276713008 // CNVD: CNVD-2019-36483

SOURCES

db:IVDid:c0e4fa63-a338-48ac-ac34-a97276713008
db:CNVDid:CNVD-2019-36483

LAST UPDATE DATE

2022-05-17T01:46:21.216000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2019-36483date:2020-01-23T00:00:00

SOURCES RELEASE DATE

db:IVDid:c0e4fa63-a338-48ac-ac34-a97276713008date:2019-10-22T00:00:00
db:CNVDid:CNVD-2019-36483date:2019-10-31T00:00:00