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Vulnerability Note VU#963889IBM Lotus Domino Web Access ActiveX control stack buffer overflowsOverviewThe IBM Lotus Domino Web Access ActiveX control contains multiple stack buffer overflow vulnerabilities, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.I. DescriptionIBM Lotus Domino includes an ActiveX control called Domino Web Access, which is used for uploading files and clearing the cache on logout. The Domino Web Access is provided by the files inotes6.dll and inotes6w.dll for Domino 6.x, dwa7.dll or dwa7W.dll for Domino 7.x, and dwa8.dll or dwa8w.dll for Domino 8.x. The Domino Web Access ActiveX control contains multiple stack buffer overflows.Exploit code for this vulnerability is publicly available.
Until these updates are available, please consider the following workarounds
{983A9C21-8207-4B58-BBB8-0EBC3D7C5505} {E008A543-CEFB-4559-912F-C27C2B89F13B}
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{3BFFE033-BF43-11d5-A271-00A024A51325}] "Compatibility Flags"=dword:00000400 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{983A9C21-8207-4B58-BBB8-0EBC3D7C5505}] "Compatibility Flags"=dword:00000400 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{E008A543-CEFB-4559-912F-C27C2B89F13B}] "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 the CERT/CC. It was also independently discovered and publicly disclosed by Elazar Broad. This document was written by Will Dormann.
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