ID

VAR-201708-1583


TITLE

Advantech WebAccess TpMegaJVT setCameraName Buffer Overflow Remote Code Execution Vulnerability

Trust: 0.8

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75 // CNVD: CNVD-2017-19447

DESCRIPTION

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. 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 TpMegaJVT.ocx. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the process. Advantech WebAccess is a suite of browser-based HMI/SCADA software from Advantech. The software supports dynamic graphical display and real-time data control, and provides the ability to remotely control and manage automation equipment

Trust: 1.35

sources: ZDI: ZDI-17-561 // CNVD: CNVD-2017-19447 // IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.8

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75 // CNVD: CNVD-2017-19447

AFFECTED PRODUCTS

vendor:advantechmodel:webaccessscope: - version: -

Trust: 1.3

vendor:advantechmodel:webaccessscope:eqversion:*

Trust: 0.2

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75 // ZDI: ZDI-17-561 // CNVD: CNVD-2017-19447

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: ZDI-17-561
value: HIGH

Trust: 0.7

CNVD: CNVD-2017-19447
value: HIGH

Trust: 0.6

IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75
value: HIGH

Trust: 0.2

ZDI: ZDI-17-561
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: 0.7

CNVD: CNVD-2017-19447
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: 6347eb03-4c8a-4fce-9b5d-f55130167e75
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

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75 // ZDI: ZDI-17-561 // CNVD: CNVD-2017-19447

TYPE

Buffer overflow

Trust: 0.2

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75

PATCH

title:This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.11/08/2016, 11/09/2016, 11/10/2016 and 11/15/2016 - ZDI disclosed the reports, 44 in all, to ICS-CERT11/09/2016 - The vendor acknowledged receipt of the report through ICS-CERT and ICS-CERT provided ICS-VU-71410304/27/2017 - ICS-CERT notified ZDI these might be fixed in the latest version and asked would ZDI re-test05/03/2017 - ZDI replied that we cannot do the testing for AdvantechICS-CERT did not respond06/23/2017 - ZDI wrote to ICS-CERT requesting any available update07/31/2017 - ZDI wrote to ICS-CERT requesting any available update08/01/2017 - ZDI wrote to ICS-CERT advising of the intent to 0-day-- Mitigation:The killbit can be set on this control to disable scripting within Internet Explorer by modifying the data value of the Compatibility Flags DWORD within the following location in the registry:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\BF28239A-3823-40FF-BC02-2DA4D9DBB1EEIf the Compatibility Flags value is set to 0x00000400, the control can no longer be instantiated inside the browser.For more information, please see: url:http://support.microsoft.com/kb/240797

Trust: 0.7

sources: ZDI: ZDI-17-561

EXTERNAL IDS

db:ZDIid:ZDI-17-561

Trust: 1.3

db:CNVDid:CNVD-2017-19447

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-4110

Trust: 0.7

db:IVDid:6347EB03-4C8A-4FCE-9B5D-F55130167E75

Trust: 0.2

sources: IVD: 6347eb03-4c8a-4fce-9b5d-f55130167e75 // ZDI: ZDI-17-561 // CNVD: CNVD-2017-19447

REFERENCES

url:http://support.microsoft.com/kb/240797

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url:http://www.zerodayinitiative.com/advisories/zdi-17-561/

Trust: 0.6

sources: ZDI: ZDI-17-561 // CNVD: CNVD-2017-19447

CREDITS

Anonymous

Trust: 0.7

sources: ZDI: ZDI-17-561

SOURCES

db:IVDid:6347eb03-4c8a-4fce-9b5d-f55130167e75
db:ZDIid:ZDI-17-561
db:CNVDid:CNVD-2017-19447

LAST UPDATE DATE

2022-05-17T02:07:05.693000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-17-561date:2017-08-07T00:00:00
db:CNVDid:CNVD-2017-19447date:2017-08-08T00:00:00

SOURCES RELEASE DATE

db:IVDid:6347eb03-4c8a-4fce-9b5d-f55130167e75date:2017-08-08T00:00:00
db:ZDIid:ZDI-17-561date:2017-08-07T00:00:00
db:CNVDid:CNVD-2017-19447date:2017-08-08T00:00:00