TITLE:
versatileBulletinBoard Cross-Site Scripting and SQL Injection

SECUNIA ADVISORY ID:
SA17174

VERIFY ADVISORY:
http://secunia.com/advisories/17174/

CRITICAL:
Moderately critical

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

WHERE:
>From remote

SOFTWARE:
versatileBulletinBoard 1.x
http://secunia.com/product/5839/

DESCRIPTION:
rgod has discovered some vulnerabilities and a security issue in
versatileBulletinBoard, which can be exploited by malicious people to
disclose system information, and conduct cross-site scripting and SQL
injection attacks.

1) Some input isn't properly sanitised before being used in a SQL
query. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

2) Input passed to the "file" parameter in "imagewin.php" and the
"url" parameter in "dereferrer.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.

3) The problem is that it is possible to list versions of installed
scripts by accessing the "getversions.php" script directly.

The vulnerabilities and the security issue have been confirmed in
version 1.0.0RC2. Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
rgod

ORIGINAL ADVISORY:
http://rgod.altervista.org/versatile100RC2.html

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