TITLE:
Microsoft Outlook Web Access Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA15697

VERIFY ADVISORY:
http://secunia.com/advisories/15697/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Microsoft Exchange 5.5
http://secunia.com/product/148/

DESCRIPTION:
A vulnerability in Microsoft Exchange Server, which can be
exploited by malicious people to conduct script insertion
attacks.

The vulnerability is caused due to insufficient validation of 
HTML
messages in Outlook Web Access. This can be exploited to 
execute
arbitrary HTML and script code in a user's browser session in 
context
of a vulnerable site when a specially crafted message is 
viewed.

SOLUTION:
Apply patch.

Microsoft Exchange Server 5.5 (requires Service Pack 4):
http://www.microsoft.com/downloads/details.aspx?familyid=08435B77-9F3A-40F5-B13A-A7019CB1C244

ORIGINAL ADVISORY:
MS05-029 (KB895179):
http://www.microsoft.com/technet/security/bulletin/ms05-029.mspx

iDEFENSE:
http://idefense.com/application/poi/display?id=261&type=vulnerabilities
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