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Clever Copy Privileges Escalation Vulnerability
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SUMMARY
" <http://clevercopy.bestdirectbuy.com/> Clever Copy is a free, fully
scalable web site portal and news posting system." Clever Copy contains a
flaw that allows a Unauthorized read & delete Private Messages from other
users.
DETAILS
Vulnerable Systems:
* Clever Copy version 2.0
* Clever Copy version 2.0a
Authenticated users can directly access a page that will allow them access
a private message of other users, in addition to being able to either read
or delete these messages like they were their own.
Proof of Concept:
In order to access private messages we first need to be logged on. He can
they go to the following addresses:
http://[victim]/readpm.php?op=read&ID=2&name=pruebas&user=waltrapass
or
http://[victim]/readpm.php?op=read&ID=2&user=waltrapass
Which will allow him to look at message ID 2 of the user waltrapass.
In the above URL you can modify parameters to any of the following values:
op = read or del
id = id of the message
name = username that sent the private message (this is not necessary to
view or delete a message)
user = username the user that received the message
For example, to delete a message a URL such as this needs to be provided:
http://[victim]/readpm.php?op=del&ID=2&name=pruebas&user=waltrapass
or
http://[victim]/readpm.php?op=del&ID=2&user=waltrapass
Disclosure Timeline:
Discovered: 25-07-2005
Vendor notify: 26-07-2005
Disclosure: 27-07-2005
ADDITIONAL INFORMATION
The information has been provided by <mailto:lostmon@gmail.com> Lostmon.
The original article can be found at:
<http://lostmon.blogspot.com/2005/07/clever-copy-unauthorized-read-delete.html>
http://lostmon.blogspot.com/2005/07/clever-copy-unauthorized-read-delete.html
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