full-disclosure - CubeCart 4.4.6 and lower | Open URL Redirection Vulnerability

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Date: Mon, 24 Dec 2012 16:53:51 +0800
From: YGN Ethical Hacker Group <lists@...g.net>
To: full-disclosure <full-disclosure@...ts.grok.org.uk>,
	bugtraq <bugtraq@...urityfocus.com>, 
	secalert@...urityreason.com, bugs@...uritytracker.com, 
	vuln <vuln@...unia.com>, vuln@...urity.nnov.ru, news@...uriteam.com, 
	moderators@...db.org, submissions@...ketstormsecurity.org, 
	submit@...ecurity.com
Subject: CubeCart 4.4.6 and lower | Open URL Redirection
	Vulnerability

1. OVERVIEW

CubeCart 4.4.6 and lower versions are vulnerable to Open URL Redirection.

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

CubeCart 4.4.6 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 parameters, "r" and
"redir".  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

4.4.6 and lower

5. Affected URLs and Parameters

/index.php (r parameter)
/index.php (redir parameter)

/index.php?_g=sw&r=//yehg.net/
/index.php?_a=login&redir=//yehg.net

6. SOLUTION

The CubeCart 4.x version family is no longer maintained by the vendor.
Upgrade to the currently supported latest latest CubeCart version - 5.x.

7. VENDOR

CubeCart Development Team
http://cubecart.com/

8. CREDIT

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

9. DISCLOSURE TIME-LINE

2012-06-22: CubeCart 4.x in End-of-Support/Maintenance circle
2012-12-24: Vulnerability disclosed

10. REFERENCES

Original Advisory URL:
http://yehg.net/lab/pr0js/advisories/%5Bcubecart_4.4.6%5D_open_url_redirection
CubeCart Home Page: http://cubecart.com/
CubeCart Bug-Fix Announcement:
http://forums.cubecart.com/topic/45456-cubecart-447-released/
CubeCart4 End-of-Life Announcement:
http://forums.cubecart.com/topic/46765-cubecart-v4-end-of-life-saturday-22-december/

#yehg [2012-12-24]

---------------------------------
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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