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IBM Lotus Domino Web Access Control ActiveX Control Multiple Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA28184  
Release Date: 2007-12-21
Last Update: 2008-01-08

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Partial Fix

Software:IBM Lotus Domino 6.x
IBM Lotus Domino 7.x
IBM Lotus Domino 8.x
IBM Lotus Domino Web Access (iNotes) 6.x
IBM Lotus Domino Web Access 7.x
IBM Lotus Domino Web Access 8.x

CVE reference:CVE-2007-4474 (Secunia mirror)



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.
http://www.ibm.com/software/lotus/support/upgradecentral/index.html

The "General_ServerName" property vulnerability will reportedly be fixed in Lotus Domino Web Access version 8.0.1, and is targeted for version 7.0.4.


Set the kill-bit for the affected ActiveX controls.

Provided and/or discovered by:
Elazar Broad

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

Changelog:
2007-12-24: Added version 6.x in list of affected products based on additional information from US-CERT. Updated credits and added link to US-CERT.
2008-01-03: Updated "Description" section based on additional information from Secunia Research.
2008-01-04: Updated "Description" section.
2008-01-08: Updated "Description" and "Solution" section based on additional information from the vendor and Secunia Research. Added link to vendor's advisory. Added version 8.x in list of affected software.

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

Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

32 Related Secunia Security Advisories, displaying 10

1. IBM Lotus Domino Unspecified Denial of Service
2. IBM Lotus Domino Web Server Cross-Site Scripting Vulnerability
3. IBM Lotus Domino Multiple Vulnerabilities
4. IBM Lotus Domino Unspecified Denial of Service Vulnerability
5. IBM Lotus Domino Agent Signature Verification Vulnerability
6. IBM Lotus Domino Script Insertion and Buffer Overflows
7. IBM Lotus Domino NRPC Information Disclosure
8. IBM Lotus Domino tunekrnl Privilege Escalation Vulnerabilities
9. Lotus Domino Malformed vCal Processing Denial of Service
10. IBM Lotus Domino LDAP Server Denial of Service Vulnerability

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