TITLE:
AlstraSoft Affiliate Network Pro Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA17605

VERIFY ADVISORY:
http://secunia.com/advisories/17605/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data, Exposure
of system information, System access

WHERE:
>From remote

SOFTWARE:
AlstraSoft Affiliate Network Pro 7.x
http://secunia.com/product/6136/

DESCRIPTION:
Robin Verton has reported some vulnerabilities in AlstraSoft
Affiliate Network Pro, which can be exploited by malicious people to
conduct cross-site scripting and SQL injection attacks, and
compromise a vulnerable system.

1) Input passed to the username and password fields when logging into
the administration interface and the "login", "password", and "flag"
parameters in "login_validate.php" isn't properly sanitised before
being used in a SQL query. This can be exploited to manipulate SQL
queries by injecting arbitrary SQL code.

This can further be exploited to bypass the authentication process
and access the administration interface where PHP code can be
injected and executed via the "number" parameter passed to
"admin_options_manage.php".

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

2) Input passed to the "Err" parameter in "admin/index.php", and the
"firstname" and "lastname" parameters in "index.php" isn't properly
saintised 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.

It is also possible to disclose the full path to certain scripts by
accessing them directly.

The vulnerabilities have been reported in version 7.2. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Robin Verton

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