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Insecure Library Loading
Highly critical

IBM Lotus Domino Web Access Control ActiveX Control Multiple Vulnerabilities

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Release Date:  2007-12-21    Last Update:  2008-01-08    Views:  40,663

Secunia Advisory SA28184

Where:

From remote

Impact:

System access

Solution Status:

Partial Fix

CVE Reference(s):

Description


Some vulnerabilities have been discovered in IBM Lotus Domino Web Access, which can be exploited by malicious people to compromise a user's system.

1) Boundary errors in the Domino Web Access ActiveX control (inotes6.dll, inotes6w.dll, dwa7.dll, dwa7W.dll) can be exploited to cause stack-based buffer overflows by assigning an overly long string to the "General_ServerName" or "General_JunctionName" property and then calling the "InstallBrowserHelperDll()" method.

2) A boundary error in the Domino Web Access ActiveX control can be exploited to cause a stack-based buffer overflow by assigning an overly-long string to the "Mail_MailDbPath" property and then calling the "Mail_SetDefaultMailClient()" method.

3) The Domino Web Access ActiveX control includes the insecure "InstallBrowserHelperDll()" method, which can be exploited to e.g. download and register a malicious ActiveX control on a vulnerable system.

Successful exploitation of the vulnerabilities allow execution of arbitrary code.

The vulnerability is reported in dwa7W.dll version 7.0.34.1, confirmed in dwa7W.dll version 7.0.34.0, and reportedly affects IBM Lotus Domino 6.x (inotes6.dll, inotes6w.dll) and 7.x (dwa7.dll, dwa7W.dll). Other versions may also be affected.


Solution:
The "Mail_MailDbPath" property vulnerability is reportedly fixed in Lotus Domino Web Access version 6.5.6, 7.0.3, and 8.0.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Elazar Broad

Also independently discovered by:
* Will Dormann of CERT/CC

Original Advisory:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=swg21279071

Elazar Broad (via Full-Disclosure):
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/059233.html

US-CERT VU#963889:
http://www.kb.cert.org/vuls/id/963889

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: IBM Lotus Domino Web Access Control ActiveX Control Multiple Vulnerabilities

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