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TITLE:
PHP infoBoard SQL Injection and Script Insertion

SECUNIA ADVISORY ID:
SA31977

VERIFY ADVISORY:
http://secunia.com/advisories/31977/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data, Exposure of sensitive
information

WHERE:
>From remote

SOFTWARE:
PHP infoBoard 7.x
http://secunia.com/advisories/product/20050/

DESCRIPTION:
CWH Underground has reported two vulnerabilities in PHP infoBoard,
which can be exploited by malicious people to conduct script
insertion and SQL injection attacks.

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

Successful exploitation of this vulnerability allows e.g. retrieval
of administrator usernames and password hashes, but requires
knowledge of the database table prefix and that "magic_quotes_gpc" is
disabled.

2) Input passed to the "isname" parameter in index.php (when "action"
is set to "newtopic") is not properly sanitised before being stored.
This can be exploited to insert arbitrary HTML and script code, which
is executed in a user's browser session in context of an affected site
when the malicious data is viewed.

Successful exploitation of this vulnerability requires that the user
is not logged in.

The vulnerabilities are reported in version 7 Plus. 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/6566

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