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TITLE:
OpenNews SQL and PHP Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA36154

VERIFY ADVISORY:
http://secunia.com/advisories/36154/

DESCRIPTION:
SirGod has discovered two vulnerabilities in OpenNews, which can be
exploited by malicious people to conduct SQL injection attacks and
compromise a vulnerable system.

1) Input passed to the "username" parameter in admin.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 allows logging in as administrator without
valid credentials, but requires that "magic_quotes_gpc" is disabled.

2) Input passed to various parameters in admin.php (when "action" is
set to "setconfig") is not properly verified before being used to
update config.php. This can be exploited to insert and execute
arbitrary PHP code by accessing config.php.

Successful exploitation requires valid administrator credentials or
that vulnerability #1 is successfully exploited.

The vulnerabilities are confirmed in version 1.0. Other versions may
also be affected.

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

Restrict access to admin.php (e.g. via .htaccess).

PROVIDED AND/OR DISCOVERED BY:
SirGod

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/9371

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