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Message-ID: <AANLkTinYfbsmRk+Qc74JQLMMyeT-vBHKMxdjPz8J1XPu@mail.gmail.com>
Date: Fri, 18 Mar 2011 14:16:01 +0800
From: YGN Ethical Hacker Group <lists@...g.net>
To: oss-security@...ts.openwall.com
Subject: CVE Request: Joomla! 1.5.20 <= Cross Site Scripting (XSS) Vulnerability
1. OVERVIEW
The Joomla! web application was vulnerable to Cross Site Scripting
vulnerability.
2. PRODUCT DESCRIPTION
Joomla is a free and open source content management system (CMS) for
publishing content on the World Wide Web and intranets. It comprises a
model–view–controller (MVC) Web application framework that can also be
used independently.
Joomla is written in PHP, uses object-oriented programming (OOP)
techniques and software design patterns, stores data in a MySQL
database, and includes features such as page caching, RSS feeds,
printable versions of pages, news flashes, blogs, polls, search, and
support for language internationalization.
3. VULNERABILITY DESCRIPTION
Some URLs in Joomla! do not properly escape encoded user inputs that
lead to cross site scripting vulnerability.
For more information about this kind of vulnerability, see OWASP Top
10 - A2, WASC-8 and
CWE-79: Improper Neutralization of Input During Web Page Generation
('Cross-site Scripting').
4. VERSIONS AFFECTED
Joomla! 1.5.20 and lower
5. PROOF-OF-CONCEPT/EXPLOIT
Exploit: /index.php?option=com_content&view=section&id=&%2522%253e%253cscript%253ealert(0)%253c/script%253e=XSS
/index.php?option=com_weblinks&view=category&id=2&filter_order_Dir=&filter_order=asc&%2522%253e%253cscript%253ealert(0)%253c/script%253e=XSS
Demo: http://yehg.net/lab/pr0js/training/view/misc/joomla-1.5.20_encoded-xss/
6. IMPACT
Attackers can compromise currently logged-in user/administrator
session and impersonate arbitrary user actions available under
/administrator/ functions.
7. SOLUTION
Upgrade to Joomla! 1.5.21
8. VENDOR
Joomla! Developer Team
http://www.joomla.org
9. CREDIT
This vulnerability was discovered by Aung Khant, http://yehg.net, YGN
Ethical Hacker Group, Myanmar.
10. DISCLOSURE TIME-LINE
2010-10-04: vulnerability discovered
2010-10-06: notified vendor
2010-10-09: vendor released fix
2010-10-09: vulnerability disclosed
11. REFERENCES
Vendor Advisory URL:
http://developer.joomla.org/security/news/9-security/10-core-security/322-20101001-core-xss-vulnerabilities.html
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=32&tracker_item_id=22767
Original Advisory URL:
http://yehg.net/lab/pr0js/advisories/joomla/core/[joomla_1.5.20]_cross_site_scripting(XSS)
XSS FAQ: http://www.cgisecurity.com/xss-faq.html
OWASP Top 10: http://www.owasp.org/index.php/Category:OWASP_Top_Ten_Project
CWE-79: http://cwe.mitre.org/data/definitions/79.html
#yehg [2010-10-09]
last updated: 2010-12-24
---------------------------------
Best regards,
YGN Ethical Hacker Group
Yangon, Myanmar
http://yehg.net
Our Lab | http://yehg.net/lab
Our Directory | http://yehg.net/hwd
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