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From: Chris McNab (chris.mcnab_at_trustmatta.com)
Date: Tue Jan 07 2003 - 18:54:42 CST

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    I was performing a pentest recently for a client, and found what seems to be
    a user enumeration bug within Nokia IPSO (unknown as to which version and
    patchlevel) running Checkpoint FW-1:

    pipex-gw>telnet xxx.xxx.xxx.xxx
    Trying xxx.xxx.xxx.xxx ... Open
       IPSO (checkpointcharlie) (ttyp0)
    login: root
    Login incorrect
    login: blah
    Login incorrect
    login: fw1adm
    Login incorrect
    login: fw1adm
    Login incorrect
    Login timed out after 300 seconds
    [Connection to xxx.xxx.xxx.xxx closed by foreign host]

    Obviously the fw1adm user exists, being the standard account under FW-1..
    but I was wondering if anyone had seen this before, or even if this issue
    had been addressed by Nokia?



    Chris McNab
    Technical Director

    Matta Security Limited
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