Description
The POP3 server in Netscape Messaging Server 4.15p1 generates different error messages for incorrect user names versus incorrect passwords, which allows remote attackers to determine valid users on the system and harvest email addresses for spam abuse.
References
- 1787 vdb-entry
- 20001011 Netscape Messaging server 4.15 poor error strings mailing-list
- netscape-messaging-email-verify(5364) vdb-entry