SilverStripe 'BackURL' Parameter URI Redirection Vulnerability

Bugtraq ID:	55915
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Oct 15 2012 12:00AM
Updated:	Oct 15 2012 12:00AM
Credit:	Aung Khant of YGN Ethical Hacker Group
Vulnerable:	SilverStripe SilverStripe 2.4.6 SilverStripe SilverStripe 2.4.5 SilverStripe SilverStripe 2.4.2 SilverStripe SilverStripe 2.4 -alpha 1 SilverStripe SilverStripe 2.4 SilverStripe SilverStripe 2.4.7 SilverStripe SilverStripe 2.4.4-rc1 SilverStripe SilverStripe 2.4.3-rc1
Not Vulnerable:

SilverStripe 'BackURL' Parameter URI Redirection Vulnerability

SilverStripe is prone to a URI-redirection vulnerability because the application fails to properly sanitize user-supplied input.

A successful exploit may aid in phishing attacks; other attacks are possible.

SilverStripe 2.4.7 and prior are vulnerable.

SilverStripe 'BackURL' Parameter URI Redirection Vulnerability

An attacker can exploit this issue by enticing an unsuspecting victim to follow a malicious URI.

The following example URI is available:

http://www.example.com/index.php/Security/login?BackURL=http://example1.com

SilverStripe 'BackURL' Parameter URI Redirection Vulnerability

Solution:
Updates are available. Please see the references for more information.

SilverStripe 'BackURL' Parameter URI Redirection Vulnerability

References:

• SilverStripe Homepage (SilverStripe )