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VID 18076
Severity 20
Port 110
Protocol TCP
Class POP3
Detailed Description The Intellipeer pop3 server is vulnerable to a user account enumeration vulnerability. Nettica Corporation Intellipeer Email Server is an email server with a POP3 component for Microsoft Windows operating systems. Intellipeer Email Server versions 1.01 and earlier could allow a remote attacker to obtain valid user accounts. If a remote attacker attempts to log into the affected host by submitting a bogus user account, then the server will reply with a specific error message if the account is non-existant, while it will reply with another message if the account exists. An attacker could use this flaw to obtain a list of valid user accounts, and then use brute force techniques to find a valid password to gain access to the system.

* References:
http://secunia.com/advisories/12661/
http://www.securitytracker.com/alerts/2004/Sep/1011425.html

* Platforms Affected:
Nettica corp., Intellipeer Email Server versions 1.01 and earlier
Microsoft Windows Any version
Recommendation Update to the latest version of Intellipeer Email Server (1.02 or later), available from Intellipeer Download Web site at http://www.nettica.com/Downloads/Default.aspx
Related URL CVE-2004-2150 (CVE)
Related URL 11257 (SecurityFocus)
Related URL 17510 (ISS)