Description: SEC Consult 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 an error within the Microsoft Outlook Web Access (OWA) service when filtering e-mail messages that contain HTML tags with NULL bytes in the arguments. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when a malicious e-mail message is viewed.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Provided and/or discovered by: Daniel Fabian, SEC Consult.
Changelog: 2006-06-15: Added link to US-CERT vulnerability note. Added additional information from SEC Consult.
2006-06-28: Updated "Description" with additional information from SEC Consult.
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