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Date: Sat, 28 Nov 2015 13:05:57 -0500
From: "Larry W. Cashdollar" <larry0@...com>
To: oss-security@...ts.openwall.com
Subject: SQL injection in wordpress plugin double-opt-in-for-download v2.0.8
Title: SQL injection in wordpress plugin double-opt-in-for-download v2.0.8
Author: Larry W. Cashdollar, @_larry0
Date: 2015-11-24
Download Site: https://wordpress.org/plugins/double-opt-in-for-download/
Vendor: https://profiles.wordpress.org/andyba45/
http://www.labwebdesigns.com
Vendor Notified: 2015-11-24
Vendor Fixed: 2015-11-24 in v2.0.9
Description: Capture visitors names and email addresses by offering FREE
downloads to your visitors in exchange for their email address with our
Double Opt-In Plug
Vulnerability:
The file
double-opt-in-for-download/public/includes/class-doifd-download.php the
lines 61 & 110:
38 $ver = $_GET[ 'ver' ];
.
.
61 $checkallowed = $wpdb->get_row ( "SELECT
doifd_downloads _allowed FROM " . $wpdb->prefix .
"doifd_lab_subscribers WHERE doifd_verifi cation_number = '$ver' " );
.
.
110 $wpdb->query (
111 "
112 UPDATE $wpdb->doifd_subscribers
113 SET doifd_downloads_allowed =
doifd_downloads_allowe d+1 WHERE doifd_verification_number = '$ver'
114 "
115 );
Allows Blind SQL injection at the $ver parameter as it is not properly
sanitized or passed through a prepare() function first.
In file
double-opt-in-for-download/public/includes/class-doifd-landing-page.php
line 71 allows for SQL injection via the $ver parameter.
26 public function getVerification() {
27 $this->verification = $_GET[ 'ver' ];
28 return $this->verification;
29 }
.
.
71 $sql = "SELECT *
72 FROM {$wpdb->prefix}doifd_lab_subscribers
73 INNER JOIN {$wpdb->prefix}doifd_lab_downloads
74 ON
{$wpdb->prefix}doifd_lab_downloads.doifd_download_id = {$
wpdb->prefix}doifd_lab_subscribers.doifd_download_id
75 WHERE doifd_verification_number =
'$this->verification'";
76
77 $this->data = $wpdb->get_row( $sql, ARRAY_A );
CVEID: 2015-7517
Advisory: http://www.vapidlabs.com/advisory.php?v=157
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