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TITLE:
CAPICOM CAPICOM.Certificates ActiveX Control Vulnerability

SECUNIA ADVISORY ID:
SA25185

VERIFY ADVISORY:
http://secunia.com/advisories/25185/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Microsoft BizTalk Server 2004
http://secunia.com/product/14160/
CAPICOM 2.x
http://secunia.com/product/14159/
Platform SDK Redistributable: CAPICOM 2.x
http://secunia.com/product/14158/

DESCRIPTION:
A vulnerability has been reported in CAPICOM (Cryptographic API
Component Object Model), which can be exploited by malicious people
to compromise a user's system.

The vulnerability is caused due to an unspecified error in the
CAPICOM.Certificates ActiveX control (CAPICOM.dll) when handling
certain input.

Successful exploitation allows execution of arbitrary code when a
user e.g. visits a malicious web site.

NOTE: Other unspecified issues discovered internally by Microsoft
have also been reported.

SOLUTION:
Apply patches.

CAPICOM:
http://www.microsoft.com/downloads/details.aspx?FamilyId=CA930018-4A66-4DA6-A6C5-206DF13AF316

Platform SDK Redistributable CAPICOM:
http://www.microsoft.com/downloads/details.aspx?FamilyId=CA930018-4A66-4DA6-A6C5-206DF13AF316

BizTalk Server 2004 SP1:
http://www.microsoft.com/downloads/details.aspx?FamilyId=CA930018-4A66-4DA6-A6C5-206DF13AF316

BizTalk Server 2004 SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=CA930018-4A66-4DA6-A6C5-206DF13AF316

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Chris Ries, VigilantMinds Inc.

ORIGINAL ADVISORY:
MS07-028 (KB931906):
http://www.microsoft.com/technet/security/Bulletin/MS07-028.mspx

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