WebEasyMail POP3 username/password brute force attack

webeasymail-pop3-bruteforce (9925) The risk level is classified as LowLow Risk

Description:

WebEasyMail could allow a remote attacker to determine POP3 server usernames and passwords. The POP3 server returns different responses depending on whether a valid or invalid username is entered during authentication and could allow a remote attacker to use brute force techniques to determine a valid username and password.


Consequences:

Bypass Security

Remedy:

No remedy available as of July 1, 2014.

References:

  • BugTraq Mailing List, Mon Aug 19 2002 - 19:54:24 CDT : Advisory: DoS in WebEasyMail +more possible? .
  • WebEasyMail Web site: WebEasyMail - Web Mail Server for NT/2000/XP.
  • BID-5519: WebEasyMail POP3 Server Valid User Name Information Disclosure Vulnerability
  • CVE-2002-1416: The POP3 service for WebEasyMail 3.4.2.2 and earlier generates diffferent error messages for valid and invalid usernames during authentication, which makes it easier for remote attackers to conduct brute force attacks.
  • OSVDB ID: 14535: WebEasyMail POP3 Service Error Message Account Enumeration

Platforms Affected:

  • WinWebMail WebEasyMail 3.4.2.2

Reported:

Aug 19, 2002

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