bugtraq - ADP Elite System Max 9000 Series Login Vulnerability

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Date: 19 Feb 2005 22:19:29 -0000
From: <rootfiend@...e-mail.net>
To: bugtraq@...urityfocus.com
Subject: ADP Elite System Max 9000 Series Login Vulnerability

Adp Elite system is an invoice/purchase order suite very common in car dealerships. It's a telnet based system. When a user logs in via telnet, adp dumps the user into the program where the user can check on a vehicle's status, generate PO's and RO's, etc.... The program is rather large and runs on a linux based system. Usually ftp is running as well. A user with a valid login name/pass... eh...cough...ettercap...cough is able to upload/download things into/from their directory... usually something like /adp/home/<user>.... by default there is a .profile containing this little gem...

# ADPROOT is equivalent to REALROOT on CoRA systems
ADPROOT=${ADPROOT:="/adp"}
export ADPROOT

download it... modify it to

# ADPROOT is equivalent to REALROOT on CoRA systems
ADPROOT=${ADPROOT:="/"}
export ADPROOT

then upload it...

now login via telnet... and bingo now you have a $hell

fix: chown root:root .profile

credit: rootfiend
questions/comments: rootfiend@...e-mail.net