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TITLE:
427BB SQL Injection and Cross-Site Scripting vulnerabilities

SECUNIA ADVISORY ID:
SA30520

VERIFY ADVISORY:
http://secunia.com/advisories/30520/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
427BB 2.x
http://secunia.com/product/4730/

DESCRIPTION:
CWH Underground has discovered some vulnerabilities in 427BB, which
can be exploited by malicious people to conduct cross-site scripting
and SQL injection attacks.

1) Input passed to the "post" parameter in showpost.php is not
properly sanitised before being used in SQL queries. This can be
exploited to manipulate SQL queries by injecting arbitrary SQL code.

2) Input passed via the URL to register.php, reminder.php, and
search.php is not 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.

3) Input passed to the "uname", "email", and "email2" parameters in
register.php, to the "email" parameter in reminder.php, and to the
"keywords" parameter in search.php is not 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 are confirmed in version 2.3.1. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
CWH Underground

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/5742

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About:
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