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Microsoft Outlook Web Access Script Insertion Vulnerability
Secunia Advisory: SA15697
Release Date: 2005-06-14
Last Update: 2005-06-15
Popularity: 10,131 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Exchange 5.5

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CVE reference:CVE-2005-0563


Description:
Gaël Delalleau has reported 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/de...=08435B77-9F3A-40F5-B13A-A7019CB1C244

Provided and/or discovered by:
Gaël Delalleau

Changelog:
2005-06-15: Added link to US-CERT vulnerability note.

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

Other References:
US-CERT VU#300373:
http://www.kb.cert.org/vuls/id/300373


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