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Category:   Application (Generic)  >   ScozBook Vendors:   Barr, Scott
ScozBook Guestbook Input Validation Flaws Permit Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1006413
SecurityTracker URL:  http://securitytracker.com/id/1006413
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Mar 29 2003
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Exploit Included:  Yes  
Version(s): BETA 1.1
Description:   An input validation vulnerability was reported in the ScozBook guestbook software. A remote user can conduct cross-site scripting attacks. A remote user can also determine the installation path.

F0KP reported that the guestbook's 'add.php' script does not filter HTML code from user-supplied input in the $username, $useremail, $aim, $msn, $sitename, and $siteaddy variables. A remote user submit specially crafted text so that, when a target user views the guest book, arbitrary scripting code will be executed by the target user's browser. The code will originate from the site running the ScozBook software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

It is also reported that a remote user can call the 'view.php' script with a non-existing value for the PG variable to cause the script to generate an error message that discloses the installation path of the software. A demonstration exploit URL is provided:

http://[target]/scozbook/view.php?PG=any_bullshit

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running ScozBook, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user can determine the installation path of the software.

Solution:   No solution was available at the time of this entry.
Vendor URL:  scripts.scoznet.com/scozbook.php (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  ScozBook BETA 1.1 vulnerabilities



=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=
topic: ScozBook BETA 1.1 vulnerabilities 
product: ScozBook BETA 1.1 
vendor: http://www.scoznet.com
risk: high
date: 03/29/2k3
discovered by: euronymous /F0KP 
advisory urls: http://f0kp.iplus.ru/bz/018.en.txt
               http://f0kp.iplus.ru/bz/018.ru.txt 
=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=

description
-----------

1) script injection

add.php script doesnt check the variables $username, 
$useremail, $aim, $msn, $sitename and $siteaddy. 
so, u can insert there any evil html, javascript 
code in these fields.

http://hostname/scozbook/add.php


2) path disclosure

u can call the view.php script with PG parameter, 
value of that is not exists, then u will see 
full system path of guestbook:

http://hostname/scozbook/view.php?PG=any_bullshit

===============================================================
Warning: Supplied argument is not a valid MySQL result resource 
in c:\apache\htdocs\scozbook\view.php on line 75
===============================================================


shouts: R00tC0de, DWC, DHG, HUNGOSH, security.nnov.ru,
all russian security guyz!! to kate especially )) 
f*ck_off: slavomira and other dirty ppl in *.kz $#%&^!

================
im not a lame,
not yet a hacker
================

 
 


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