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List: bugtraq
Subject: phpMyAdmin server_privileges.php SQL Injection Vulnerabilities.
From: "Alice Bryson" <abryson () bytefocus ! com>
Date: 2005-12-17 1:39:36
Message-ID: DEV-LOUIS-WIN4KhAfd00000002 () lwang ! org
[Download RAW message or body]
phpMyAdmin server_privileges.php SQL Injection Vulnerabilities.
I. BACKGROUND
phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL \
over the Web.
II. DESCRIPTION
phpMyAdmin server_privileges.php is prone to SQL Injection vulnerability. A remote \
attacker may execute arbitrary SQL command by sending specially-crafted URI to \
server_privileges.php db_name or checkprivs parameter.
III. PUBLISH DATE
2005-12-7
IV. AUTHOR
lwang@lwang.org
V. AFFECTED SOFTWARE
phpMyAdmin 2.7.0 is confirmed to affected. Older versions may also be affected.
The following vendors distribute vulnerable phpMyAdmin package:
The FreeBSD Project
Gentoo Foundation
Novell, Inc. (SuSE)
The Debian Project (SuSE)
VI. ANALYSIS
in server_privileges.php
line 27:
if ( isset( $dbname ) ) {
//if ( preg_match( '/\\\\(?:_|%)/i', $dbname ) ) {
if ( preg_match( '/(?<!\\\\)(?:_|%)/i', $dbname ) ) {
$dbname_is_wildcard = true;
} else {
$dbname_is_wildcard = false;
}
}
parameter $dbname is not validate properly.
line 1197:
if (isset($viewing_mode) && $viewing_mode == 'db') {
$db = $checkprivs;
$url_query .= '&goto=db_operations.php';
// Gets the database structure
$sub_part = '_structure';
require('./db_details_db_info.php');
echo "\n";
} else {
require('./server_links.inc.php');
}
line 1241:
if ( empty( $adduser ) && empty( $checkprivs ) ) {
parameter $checkprivs not validate properly.
VII. Proof of Concept
http://victim/phpmyadmin/server_privileges.php?server=1&checkprivs='
http://victim/phpmyadmin/server_privileges.php?server=1&hostname='&username=1&dbname=1&tablename=1
VIII. SOLUTION
I have not contact the vendor, and no aware of any security patch till now.
IX. REFERENCE
http://www.phpmyadmin.net
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