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ID

VAR-201910-1744


TITLE

Siemens SIMATIC WinCC CCScriptConv.dll Control has a stack overflow vulnerability

Trust: 0.8

sources: IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366 // CNVD: CNVD-2019-36484

DESCRIPTION

Siemens SIMATIC is an automation software with a single engineering environment. WinCC supports the discovery and configuration of LAN device information using the PN-DCP protocol at the Ethernet layer. A stack overflow vulnerability exists in the Siemens SIMATIC WinCC CCScriptConv.dll control. An attacker can execute arbitrary code by constructing parameters

Trust: 0.72

sources: CNVD: CNVD-2019-36484 // IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.8

sources: IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366 // CNVD: CNVD-2019-36484

AFFECTED PRODUCTS

vendor:siemensmodel:simatic winccscope: - version: -

Trust: 0.6

vendor:siemensmodel:simatic winccscope:eqversion:*

Trust: 0.2

sources: IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366 // CNVD: CNVD-2019-36484

CVSS

SEVERITY

CVSSV2

CVSSV3

CNVD: CNVD-2019-36484
value: HIGH

Trust: 0.6

IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366
value: HIGH

Trust: 0.2

CNVD: CNVD-2019-36484
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: 6f4c1354-100f-4d0c-95ee-286ce5344366
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: 6f4c1354-100f-4d0c-95ee-286ce5344366 // CNVD: CNVD-2019-36484

TYPE

Buffer overflow

Trust: 0.2

sources: IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366

PATCH

title:Binary Vulnerability in SilentUpgrade Function of CCScriptConv.dll Control of SIMATIC WinCCurl:https://www.cnvd.org.cn/patchinfo/show/180603

Trust: 0.6

sources: CNVD: CNVD-2019-36484

EXTERNAL IDS

db:CNVDid:CNVD-2019-36484

Trust: 0.8

db:IVDid:6F4C1354-100F-4D0C-95EE-286CE5344366

Trust: 0.2

sources: IVD: 6f4c1354-100f-4d0c-95ee-286ce5344366 // CNVD: CNVD-2019-36484

SOURCES

db:IVDid:6f4c1354-100f-4d0c-95ee-286ce5344366
db:CNVDid:CNVD-2019-36484

LAST UPDATE DATE

2022-05-17T01:47:50.329000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2019-36484date:2020-01-23T00:00:00

SOURCES RELEASE DATE

db:IVDid:6f4c1354-100f-4d0c-95ee-286ce5344366date:2019-10-22T00:00:00
db:CNVDid:CNVD-2019-36484date:2019-10-31T00:00:00