From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Apr 05 2007 - 00:02:05 CDT

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TITLE:
WordPress XMLRPC SQL Injection and Security Bypass

SECUNIA ADVISORY ID:
SA24751

VERIFY ADVISORY:
http://secunia.com/advisories/24751/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Manipulation of data, Exposure of sensitive
information

WHERE:
From remote

SOFTWARE:
WordPress 2.x
http://secunia.com/product/6745/

DESCRIPTION:
Sumit Siddharth has discovered two vulnerabilities in WordPress,
which can be exploited by malicious users to conduct SQL injection
attacks or to bypass certain security restrictions.

1) Input passed to the "mt.setPostCategories" method in xmlrpc.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 e.g. retrieving usernames and password
hashes, but requires valid user credentials.

2) A vulnerability is caused due to improper authentication
verification in xmlrpc.php. A user with contributor permissions can
exploit this issue to publish posts.

Successful exploitation requires valid user credentials.

The vulnerabilities are confirmed in version 2.1.2. Other versions
may also be affected.

SOLUTION:
Update to version 2.1.3.

PROVIDED AND/OR DISCOVERED BY:
Sumit Siddharth

ORIGINAL ADVISORY:
http://www.notsosecure.com/folder2/2007/04/03/wordpress-212-xmlrpc-security-issues/

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