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MySQL Denial of Service Vulnerability and Multiple Security Issues

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Release Date:  2007-05-17    Last Update:  2007-07-19    Views:  19,716

Secunia Advisory SA25301

Where:

From local network

Impact:

Security Bypass, Privilege escalation, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Various security issues and a vulnerability have been reported in MySQL, which can be exploited by malicious users to gain escalated privileges, bypass certain security restrictions and cause a DoS (Denial of Service) or malicious people to cause a DoS.

1) The problem is that it is possible for a user to rename a table without having DROP privileges.

The security issue has been reported in version 4.1 and 5.0.

2) The problem is that stored routines defined with SQL SECURITY INVOKER do not change back privileges when returning and can be invoked by users to gain escalated privileges.

The security issue has been reported in version 5.0.40.

3) An unspecified vulnerability within the handling of password packets in the connection protocol can be exploited to crash the server.

4) The mysql_update() and mysql_test_update() functions do not correctly check the privileges of views. This can be exploited to gain certain privileges for tables of other databases.

The security issue is reported in version 5.0.38 and 5.1.

5) The "CREATE TABLE LIKE" command did not correctly check the privileges for the source table and does not correctly implement table locking. This can be exploited to bypass certain security restrictions or potentially crash the service.

The security issue is reported in versions 5.0 and 5.1.


Solution:
Update to MySQL Enterprise version 4.1.23 and 5.0.44 and MySQL Community Server 5.0.45.

Provided and/or discovered by:
Reported via a bug report by:
1) Victoria Reznichenko
2) Alexander Nozdrin
3) Dormando
4) Phil Anderton
5) Andrei Elkin and maybe an unknown person

Original Advisory:
MySQL:
1) http://bugs.mysql.com/bug.php?id=27515
2) http://bugs.mysql.com/bug.php?id=27337
3) http://bugs.mysql.com/bug.php?id=28984
4) http://bugs.mysql.com/bug.php?id=27878
5) http://bugs.mysql.com/bug.php?id=23667
http://bugs.mysql.com/bug.php?id=25578

http://lists.mysql.com/announce/470

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: MySQL Denial of Service Vulnerability and Multiple Security Issues

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