TITLE:
Link Bank PHP Code Injection and Cross-Site Scripting

SECUNIA ADVISORY ID:
SA19154

VERIFY ADVISORY:
http://secunia.com/advisories/19154/

CRITICAL:
Highly critical

IMPACT:
Cross Site Scripting, System access

WHERE:
>From remote

SOFTWARE:
Link Bank
http://secunia.com/product/8602/

DESCRIPTION:
retard has discovered two vulnerabilities in Link Bank, which can be
exploited by malicious people to conduct cross-site scripting attacks
and compromise a vulnerable system.

1) Input passed to the "url_name" and "url" parameters when adding
links isn't properly sanitised before being saved. This can be
exploited to inject and execute arbitrary PHP code.

2) Input passed to the "site" parameter in "iframe.php" isn't
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

The vulnerabilities have been confirmed in the latest available
version. Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
retard

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