InduSoft Thin Client ISSymbol InternationalSeparator Remote Code Execution VulnerabilityZDI-12-168: August 29th, 2012
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 12446. For further product information on the TippingPoint IPS:
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.
Vendor ResponseIndusoft has issued an update to correct this vulnerability. More details can be found at:
2011-12-19 - Vulnerability reported to vendor
2012-08-29 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: