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TITLE:
Graugon PHP Article Publisher Authentication Bypass and SQL Injection

SECUNIA ADVISORY ID:
SA34126

VERIFY ADVISORY:
http://secunia.com/advisories/34126/

DESCRIPTION:
x0r has discovered some vulnerabilities in Graugon PHP Article
Publisher, which can be exploited by malicious people to bypass
certain security restrictions and conduct SQL injection attacks.

1) Input passed to the "c" parameter in index.php and the "id"
parameter in view.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) A vulnerability is caused due to the application allowing access
to the admin interface by checking if a certain cookie exists. This
can be exploited to gain administrative access to the application by
creating the cookie "g_admin" and assigning it the value "1".

SOLUTION:
Edit the source code to ensure that input is properly sanitised.
Restrict access to the admin interface (e.g. via ".htaccess").

PROVIDED AND/OR DISCOVERED BY:
x0r

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/8133

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