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Vulnerability Note VU#784369Trend Micro OfficeScan Web-Deployment SetupINICtrl ActiveX control buffer overflowsOverviewThe Trend Micro OfficeScan Web-Deployment SetupINICtrl ActiveX control contains multiple buffer overflows, which could allow a remote attacker to execute arbitrary code on a vulnerable system.I. DescriptionTrend Micro OfficeScan comes with a web-based administration console that makes use of ActiveX controls. The OfficeScan Web-Deployment SetupINICtrl ActiveX control, which is provided by the file OfficeScanSetupINI.dll, is vulnerable to buffer overflows in multiple methods. It is reported that Client Server Messaging Security for SMB also contains the vulnerable control.II. ImpactBy convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), an attacker may be able to execute arbitrary code with the privileges of the user. The attacker could also cause Internet Explorer (or the program using the WebBrowser control) to crash.III. SolutionApply an updateThis issue addressed in Trend Micro support document 1034288. This document provides the following fixed versions:
Disable the OfficeScan SetupINI ActiveX control in Internet Explorer The vulnerable ActiveX control can be disabled in Internet Explorer by setting the kill bit for the following CLSID:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{08D75BB0-D2B5-11D1-88FC-0080C859833B}] "Compatibility Flags"=dword:00000400 Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities. Instructions for disabling ActiveX in the Internet Zone can be found in the "Securing Your Web Browser" document. Systems Affected
Referenceshttp://www.cert.org/tech_tips/securing_browser/#Internet_Explorer This vulnerability was reported by Will Dormann of CERT/CC This document was written by Will Dormann.
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