Saturday, July 28, 2012

ocPortal CMS 7.1.5 <= | Open URL Redirection Vulnerability

1. OVERVIEW

ocPoral CMS 7.1.5 and lower versions are vulnerable to Open URL Redirection.


2. BACKGROUND

ocPortal is the website Content Management System (a CMS) for building and maintaining a dynamic website. ocPortal's powerful feature-set means there's always a way to accomplish your vision. Not only does ocPortal's CMS have all the features you'd expect: for instance photo galleries, news, file downloads and community forums/chats, but it does so whilst meeting the highest accessibility and professional standards. It is also smart enough to go beyond page management, to automatically handle search engine optimisation, and provide aggressive hack attack prevention.


3. VULNERABILITY DESCRIPTION

ocPoral CMS 7.1.5 and lower versions contain a flaw that allows a remote cross site redirection attack. This flaw exists because the application does not properly sanitise the "redirect" parameter.  This allows an attacker to create a specially crafted URL, that if clicked, would redirect a victim from the intended legitimate web site to an arbitrary web site of the attacker's choice. 


4. VERSIONS AFFECTED

Tested on 7.1.5


5. PROOF-OF-CONCEPT/EXPLOIT

http://localhost/ocportal/index.php?page=login&type=misc&redirect=http://attacker.in


6. SOLUTION

Upgrade to the latest version.


7. VENDOR

ocPortal Development Team
http://www.ocportal.com/


8. CREDIT

Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.


9. DISCLOSURE TIME-LINE

2012-03-06: notified vendor
2012-03-21: patched version,7.1.6, released
2012-07-29: vulnerability disclosed


10. REFERENCES

Original Advisory URL: http://yehg.net/lab/pr0js/advisories/%5Bocportal_7x%5D_open_url_redirection


#yehg [2012-07-29]