{"vuid":"VU#735441","idnumber":"735441","name":"Gateway CWebLaunchCtl ActiveX control buffer overflow","keywords":["Gateway","weblaunch.ocx","ie","internet explorer","com","activex","cweblaunchctl object","Dranzer"],"overview":"The Gateway CWebLaunchCtl ActiveX control contains a buffer overflow, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable sytem.","clean_desc":"The Gateway Computers CWebLaunchCtlActiveX control, which is provided by weblaunch.ocx and weblaunch2.ocx, contains a buffer overflow in the DoWebLaunch() method.","impact":"By 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 the web browser to crash.","resolution":"We are currently unaware of a practical solution to this problem. Please consider the following workarounds","workarounds":"Disable the CWebLaunchCtl ActiveX control in Internet Explorer The vulnerable ActiveX control can be disabled in Internet Explorer by setting the kill bit for the following CLSIDs: {93CEA8A4-6059-4E0B-ADDD-73848153DD5E} {97BB6657-DC7F-4489-9067-51FAB9D8857E} More information about how to set the kill bit is available in Microsoft Support Document 240797. Alternatively, the following text can be saved as a .REG file and imported to set the kill bit for this control: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Internet Explorer\\ActiveX Compatibility\\{93CEA8A4-6059-4E0B-ADDD-73848153DD5E}] \"Compatibility Flags\"=dword:00000400 [HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Internet Explorer\\ActiveX Compatibility\\{97BB6657-DC7F-4489-9067-51FAB9D8857E}] \"Compatibility Flags\"=dword:00000400\nDisable ActiveX 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.","sysaffected":"","thanks":"This vulnerability was reported by Will Dormann of the CERT/CC. It was also independently discovered and publicly disclosed by Elazar Broad.","author":"This document was written by Will Dormann.","public":["http://milw0rm.com/exploits/4869","http://secunia.com/advisories/28379/"],"cveids":[""],"certadvisory":"","uscerttechnicalalert":null,"datecreated":"2007-11-08T20:04:45Z","publicdate":"2008-01-08T00:00:00Z","datefirstpublished":"2008-01-08T23:09:58Z","dateupdated":"2009-04-13T17:18:15Z","revision":14,"vrda_d1_directreport":"1","vrda_d1_population":"2","vrda_d1_impact":"4","cam_widelyknown":"20","cam_exploitation":"0","cam_internetinfrastructure":"8","cam_population":"6","cam_impact":"15","cam_easeofexploitation":"17","cam_attackeraccessrequired":"17","cam_scorecurrent":"13.65525","cam_scorecurrentwidelyknown":"13.65525","cam_scorecurrentwidelyknownexploited":"23.409","ipprotocol":"","cvss_accessvector":"","cvss_accesscomplexity":"","cvss_authentication":null,"cvss_confidentialityimpact":"","cvss_integrityimpact":"","cvss_availabilityimpact":"","cvss_exploitablity":null,"cvss_remediationlevel":"","cvss_reportconfidence":"","cvss_collateraldamagepotential":"","cvss_targetdistribution":"","cvss_securityrequirementscr":"","cvss_securityrequirementsir":"","cvss_securityrequirementsar":"","cvss_basescore":"","cvss_basevector":"","cvss_temporalscore":"","cvss_environmentalscore":"","cvss_environmentalvector":"","metric":13.65525,"vulnote":null}