Blog IT Tổng Hợp

January 20, 2014

1. OVERVIEW

Potential SQL Injection Flaws were detected Joomla! CMS version 1.5.20.

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

Parameters (filter_order, filer_order_Dir) were not properly sanitized
in Joomla! that lead to SQL Injection vulnerability.

4. VERSIONS AFFECTED

Joomla! 1.5.21 and lower

5. PROOF-OF-CONCEPT/EXPLOIT

Exploits:
/index.php?option=com_weblinks&view=category&id=2&filter_order_Dir=&filter_order='
/index.php?option=com_weblinks&view=category&id=2&filter_order_Dir='&filter_order=asc

Screenshots:
http://yehg.net/lab/pr0js/advisories/joomla/core/1.5.21/sql_injection/sqli_(filter_order)_front.jpg
http://yehg.net/lab/pr0js/advisories/joomla/core/1.5.21/sql_injection/sqli_%28filter_order_Dir%29_front.jpg
http://yehg.net/lab/pr0js/advisories/joomla/core/1.5.21/sql_injection/sqli_%28filter_order_Dir%29_back.jpg

6. IMPACT

Attackers could successfully execution malicious sql command injection
in Joomla! CMS by bypassing filers in place.

7. SOLUTION

Upgrade to Joomla! 1.5.22

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

2010-10-06 : Notified Joomla! Security Strike Team
2010-11-01 : Vulnerability disclosed
2010-11-05 : Patched version (1.5.22) released

11. REFERENCES

Vendor Advisory URL:
http://developer.joomla.org/security/news/9-security/10-core-security/323-20101101-core-sqli-info-disclosurevulnerabilities.html
Original Advisory URL:
http://yehg.net/lab/pr0js/advisories/joomla/core/[joomla_1.5_21]_sql_injection
Assigned CVE: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-4166
OWASP Top 10: http://www.owasp.org/index.php/Category:OWASP_Top_Ten_Project
CWE-89: http://cwe.mitre.org/data/definitions/89.html