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TITLE:
NovaBoard Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33966

VERIFY ADVISORY:
http://secunia.com/advisories/33966/

DESCRIPTION:
brain[pillow] has discovered some vulnerabilities and a security
issue in NovaBoard, which can be exploited by malicious people to
conduct SQL injection attacks, disclose sensitive information, and
bypass certain security restrictions.

1) Input passed to the "topic" parameter in index.php (when "page" is
set to "search" and "pf" is set to "1") 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 to the "forum" parameter in index.php is not properly
sanitised before being used in SQL queries. This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.

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

4) Input passed to the "nova_lang" cookie parameter in upload.php is
not properly verified before being used to include files. This can be
exploited to include arbitrary files from local resources via
directory traversal attacks and URL-encoded NULL bytes.

Successful exploitation of vulnerabilities #2 and #4 require that
"magic_quotes_gpc" is disabled.

5) The application does not properly restrict access to the
uploads/uploader.php script. This can be exploited to upload files to
the web server by posting to the file directly.

These vulnerabilities and security issue are confirmed in version
1.0.0. Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified.
Restrict access to the uploads directory (e.g. using a .htaccess
file).

PROVIDED AND/OR DISCOVERED BY:
brain[pillow]

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/8063

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