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Showing posts from October, 2012

F5 FirePass SSL VPN 4xxx Series | Arbitrary URL Redirection

1. OVERVIEW

F5 FirePass SSL VPN is vulnerable to Open URL Redirection.


2. BACKGROUND

F5 FirePass SSL VPN provides secure remote access to enterprise
applications and data for users over any device or network while
protecting your corporate. (See
http://www.f5.com/pdf/products/firepass-overview.pdf)


3. VULNERABILITY DESCRIPTION

F5 FirePass SSL VPN contains a flaw that allows a remote cross site
redirection attack. This flaw exists because the application does not
validate the "refreshURL" parameter upon submission to the
"my.activation.cns.php3" script. This could allow a user 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 choosing.


4. VERSIONS AFFECTED

4xxx Series


5. PROOF-OF-CONCEPT/EXPLOIT

https://[VPN_HOST]/my.activation.cns.php3?langchar=&ui_translation=&refreshURL=http://yehg.net/


6. SOLUTION

We have not been informed of …

SilverStripe CMS 2.4.7 <= Persistent Cross Site Scripting Vulnerability

1. OVERVIEW

SilverStripe 2.4.7 and lower versions are vulnerable to Persistent
Cross Site Scripting.


2. BACKGROUND

SilverStripe CMS is easy for both developers and content authors to
work with. The SilverStripe Framework keeps the code tucked away
neatly so that it can be accessed easily by programmers but does not
get in the way of content authors.


3. VULNERABILITY DESCRIPTION

The "Title" parameter was not properly sanitized upon submission to
"/index.php/admin/security/EditForm/field/Roles/AddForm" and
"/index.php/admin/RootForm" urls, which allows attacker to conduct
Cross Site Scripting attack. This may allow an attacker to create a
specially crafted URL that would execute arbitrary script code in a
victim's browser.


4. VERSIONS AFFECTED

Tested on 2.4.7


5. PROOF-OF-CONCEPT/EXPLOIT

////////////////////////////////////////
POST /index.php/admin/security/EditForm/field/Roles/AddForm?SecurityID=[ID]
HTTP/1.1
Host: localhost
Refe…

SilverStripe CMS 2.4.7 <= Arbitrary URL Redirection

1. OVERVIEW

SilverStripe 2.4.7 and lower versions are vulnerable to Open URL Redirection.


2. BACKGROUND

SilverStripe CMS is easy for both developers and content authors to
work with. The SilverStripe Framework keeps the code tucked away
neatly so that it can be accessed easily by programmers but does not
get in the way of content authors.


3. VULNERABILITY DESCRIPTION

SilverStripe CMS contains a flaw that allows a remote cross site
redirection attack. This flaw exists because the application does not
validate the "BackURL" parameter upon submission to the
"/index.php/Security/login" script. This could allow a user 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 choosing.


4. VERSIONS AFFECTED

Tested on 2.4.7


5. PROOF-OF-CONCEPT/EXPLOIT

http://localhost/index.php/Security/login?BackURL=//yehg.net


6. SOLUTION

Upgrade to the latest 3.x vers…