Advisory Details

August 29th, 2012

InduSoft Thin Client ISSymbol InternationalSeparator Remote Code Execution Vulnerability

CVE ID	CVE-2011-0340
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Indusoft
AFFECTED PRODUCTS	WebStudio
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['12446']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Indusoft Thin Client. 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 ISSymbol.ocx ActiveX component. The process performs insufficient bounds checking on user-supplied data passed in as the 'InternationalSeparator' parameter which results in a heap overflow. This vulnerability can be leveraged to execute code under the context of the user running the browser.
ADDITIONAL DETAILS	Indusoft has issued an update to correct this vulnerability. More details can be found at: http://www.indusoft.com/hotfixes/hotfixes.php
DISCLOSURE TIMELINE	2011-12-19 - Vulnerability reported to vendor 2012-08-29 - Coordinated public release of advisory
CREDIT	Alexander Gavrun

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