Microsoft Outlook Web Access for Exchange Server Input Validation Bugs Permit Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1020439
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SecurityTracker URL: http://securitytracker.com/id?1020439
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CVE Reference: CVE-2008-2247
, CVE-2008-2248
(Links to External Site)
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Date: Jul 8 2008
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Microsoft Security Bulletin
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Version(s): Exchange Server 2003 SP2, 2007, 2007 SP1
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Description: Two vulnerabilities were reported in Microsoft Outlook Web Access for Exchange Server. A remote user can conduct cross-site scripting attacks.
A remote user can send a specially crafted e-mail that, when loaded by a target user, will cause arbitrary scripting code to be executed
by the target user's browser. The code will originate from the site running the Microsoft Outlook Web Access for Exchange Server
software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies
(including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web
form to the site, or take actions on the site acting as the target user.
Specially crafted e-mail fields [CVE-2008-2247] and
specially crafted HTML [CVE-2008-2248] can trigger this vulnerability.
Michael Jordan of Context Information Security reported
this vulnerability.
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the
Microsoft OWA for Exchange Server software, access data recently submitted by the target user via web form to the site, or take
actions on the site acting as the target user.
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Solution: The vendor has issued the following fixes:
Microsoft Exchange Server 2003 Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?familyid=E099C1D1-5AF6-4D6C
-B735-9599412B3131
Microsoft Exchange Server 2007:
http://www.microsoft.com/downloads/details.aspx?familyid=086A2A13-A1DE-4B1D-BD12-B148BFD2DAFA
Microsoft
Exchange Server 2007 Service Pack 1:
http://www.microsoft.com/downloads/details.aspx?familyid=63E7F26C-92A8-4264-882D-F96B348C96AB
The
Microsoft advisory is available at:
http://www.microsoft.com/technet/security/bulletin/ms08-039.mspx
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Vendor URL: www.microsoft.com/technet/security/bulletin/ms08-039.mspx (Links to External Site)
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Cause: Input validation error
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Underlying OS: Windows (2000), Windows (2003)
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Message History:
None.
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Source Message Contents
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Date: Tue, 8 Jul 2008 13:21:43 -0400
Subject: Microsoft Security Bulletin MS08-039 Important: Vulnerabilities in Outlook Web Access for Exchange Server Could Allow Elevation of Privilege (953747)
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http://www.microsoft.com/technet/security/bulletin/ms08-039.mspx
CVE-2008-2247
CVE-2008-2248
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