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Microsoft Outlook 2002 mailto URI Cross Site Scripting Vulnerability
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Secunia Advisory:
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SA11076
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Release Date:
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2004-03-09
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Last Update:
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2004-03-11
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Popularity:
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25,160 views
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Critical:
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Highly critical
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Impact:
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Cross Site Scripting
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Microsoft Office XP
Microsoft Outlook 2002
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| CVE reference: | CVE-2004-0121
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Description:
Jouko Pynnönen has discovered a vulnerability in Outlook 2002, allowing malicious people to conduct Cross Site Scripting attacks and execute arbitrary code in the Local Security Zone.
The problem is that input to the "mailto" parameter isn't properly verified before it is used to start Outlook 2002. This can be exploited by including the " character in the "mailto" URI to inject arbitrary script code.
Injected script code will be executed in the Local Security Zone.
This can be exploited through malicious HTML documents such as web pages and emails. User interaction is not required.
Exploit code has been released.
This affects Microsoft Outlook 2002, which also is included in Microsoft Office XP.
Solution:
Patches are available:
Microsoft Office XP Service Pack 2
http://www.microsoft.com/office/ork/2003/admin/xp/olk1007a.htm
Microsoft Outlook 2002 Service Pack 2
http://www.microsoft.com/office/ork/2003/admin/xp/olk1007a.htm
Provided and/or discovered by:
Discovered by Jouko Pynnönen
Reported by iDEFENSE
Changelog:
2004-03-09: Microsoft has changed location of the patches.
2004-03-10: Added link to US-CERT vulnerability note.
2004-03-11: Updated description. Exploit code has been released.
Original Advisory:
http://www.microsoft.com/technet/security/Bulletin/MS04-009.mspx
http://www.idefense.com/application/poi/display?id=79&type=vulnerabilities
Other References:
US-CERT VU#305206:
http://www.kb.cert.org/vuls/id/305206
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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