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  3. Microsoft Exchange Server 2003 Outlook Web Access Random Mailbox Access Vulnerability

Microsoft Exchange Server 2003 Outlook Web Access Random Mailbox Access Vulnerability

Risk

Medium

Date Discovered

January 13, 2004

Description

A vulnerability has been reported in Exchange Server 2003 with Outlook Web Access (OWA) configured. Exploitation of this vulnerability could allow an authenticated OWA user to connect to another user's OWA mailbox.

Technologies Affected

  • Microsoft Exchange Server 2003

Recommendations

Block external access at the network boundary, unless external parties require service.

Do not allow OWA access to unknown or untrusted users. If possible, limit access to trusted hosts and networks.
Microsoft has released an update to address this issue. Microsoft has reported that this security update cannot be detected by MBSA 1.1.1. As a result of this, SMS 2.0 Software Update Services Feature Pack and SMS 2.0 Administration Feature Pack's Elevated Rights Deployment Tool cannot be used for this security update.

Credits

Announced by the vendor.
Copyright © Symantec Corporation.
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Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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