WordPress Plugin Tune Library 1.5.4 – SQL Injection
======================================================================= title: SQL Injection product: WordPress Tune Library Plugin vulnerable version: 1.5.4 (and probably below) fixed version: 1.5.5 CVE number: CVE-2015-3314 impact: CVSS Base Score 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P) homepage: https://wordpress.org/plugins/tune-library/ found: 2015-01-09 by: Hannes Trunde mail: hannes.trunde@gmail.com twitter: @hannestrunde ======================================================================= Plugin description: ------------------- "This plugin is used to import an XML iTunes Music Library file into your WordPress database. Once imported, you can display a complete listing of your music collection on a page of your WordPress site." Source: https://wordpress.org/plugins/tune-library/ Recommendation: --------------- The author has provided a fixed plugin version which should be installed immediately. Vulnerability overview/description: ----------------------------------- Because of insufficient input validation, a sql injection attack can be performed when sorting artists by letter. However, special conditions must be met in order to exploit this vulnerability: 1) The wordpress security feature wp_magic_quotes(), which is enabled by default, has to be disabled. 2) The plugin specific option "Filter artists by letter and show alphabetical navigation" has to be enabled. Proof of concept: ----------------- The following HTTP request to the Tune Library page returns version, current user and db name: =============================================================================== http://www.site.com/?page_id=2&artistletter=G' UNION ALL SELECT CONCAT_WS(CHAR(59),version(),current_user(),database()),2--%20 =============================================================================== Contact timeline: ------------------------ 2015-04-08: Contacting author via mail. 2015-04-09: Author replies and announces a fix within a week. 2015-04-12: Mail from author, stating that plugin has been updated. 2015-04-14: Requesting CVE via post to the open source software security mailing list: http://openwall.com/lists/oss-security/2015/04/14/5 2015-04-20: Release of security advisory. Solution: --------- Update to the most recent plugin version. Workaround: ----------- Make sure that wp_magic_quotes() is enabled and/or disable "Filter artists by letter..." option. |