From: SecuriTeam <support@securiteam.com.>
To: [email protected]
Date: 19 May 2005 16:23:43 +0200
Subject: [UNIX] MySQL Insecure Temporary File Handling
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MySQL Insecure Temporary File Handling
------------------------------------------------------------------------
SUMMARY
"The <http://www.mysql.com>; MySQL database server is the world's most
popular open source database."
MySQL handle temporary files in an unsafe way while creating new database,
allowing a malicious attacker to inject arbitrary SQL commands.
DETAILS
Vulnerable Systems:
* MySQL versions 4.0.11 and prior
* MySQL versions 5.0.4 and prior
Immune Systems:
* MySQL version 4.0.12
MySQL contain a security flaw that could allow a malicious local attacker
to inject arbitrary SQL commands during database creation process.
For example:
A malicious local attacker could create an mysql account accessible from
local (or everywhere) with ALL privileges on all databases.
Example:
tmp_file=/tmp/mysql_install_db.$$
Then on:
226> echo "use mysql;" > $tmp_file
227> cat $tmp_file $fill_help_tables | eval "$mysqld_install_cmd_line"
228> res=$?
229> rm $tmp_file
Patch Availability:
MySQL versions 5.* is still vulnerable.
Disclosure Timeline:
07.05.05 - Vulnerability discovered
09.05.05 - Vendor notified
09.05.05 - Vendor response
17.05.05 - Vendor published fix
17.05.05 - Disclosure
ADDITIONAL INFORMATION
The information has been provided by <mailto:exploits@zataz.net.>
ZATAZ.net.
The original article can be found at:
<http://www.zataz.net/adviso/mysql-05172005.txt>;
http://www.zataz.net/adviso/mysql-05172005.txt
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