[ISR] - Novell iChain Mini FTP Server Valid User Disclosure Vulnerability

["Francisco Amato" <famato () infobyte com ar>]

||
|| [ISR]
|| Infobyte Security Research
|| www.infobyte.com.ar
|| 03.15.2005
||


.:: SUMMARY

Novell iChain Mini FTP Server Valid User Disclosure Vulnerability
Version: IChain Version v2.3, It is suspected that all previous versions of
IChan
are vulnerable.

.:: BACKGROUND

The Novell iChain product provides identity-based web security
services that control access to application and network resources
across technical and organizational boundaries.

    http://www.novell.com

.:: DESCRIPTION

Novell iChain Mini FTP Server inform when a username is invalid.

Details:
famato@infobyte:~$ telnet 10.1.10.1 21
Trying 10.1.10.1...
Connected to 10.1.10.1.
Escape character is '^]'.
220 Service Ready
user test
530 Invalid user name
user config
331 User name Okay, need password


.:: DISCLOSURE TIMELINE

03/04/2005  Initial vendor notification
03/05/2005  Initial vendor response
03/10/2005  Public disclosure

.:: CREDIT

Francisco Amato is credited with discovering this vulnerability.
famato][at][infobyte][dot][com][dot][ar

.:: LEGAL NOTICES

Copyright (c) 2005 by [ISR] Infobyte Security Research.
Permission to redistribute this alert electronically is granted as long as
it is not
edited in any way unless authorized by Infobyte Security Research Response.
Reprinting the whole or part of this alert in any medium other than
electronically
requires permission from infobyte com ar

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.