Vulnerability Note VU#516492

MySQL fails to validate length of password field

Overview

A vulnerability in MySQL could permit a malicious user to execute arbitrary code on the system.

I. Description

MySQL is a database system. MySQL contains a buffer overflow vulnerability in the processing of the password field of the MySQL database, specifically "SET PASSWORD". A malicious user who has the permissions to execute the "ALTER TABLE" command on tables in the "mysql" database may be able to exploit this vulnerability. MySQL3 versions 3.0.57 and earlier and MySQL4 versions 4.0.14 and earlier are reported to be vulnerable.

An exploit has been posted publicly

II. Impact

Exploitation of this vulnerability could allow the malicious user to execute arbitrary code with the privileges of the mysqld process, by default user "mysql".

III. Solution

This issue is resolved in MySQL versions 3.23.58 and 4.0.15. Upgrade or apply a patch as recommended by your vendor.

Systems Affected

Vendor	Status	Date Notified
Debian	Vulnerable	15-Sep-2003
MySQL	Vulnerable	15-Sep-2003
OpenPKG	Vulnerable	15-Sep-2003

References

http://www.mysql.com/
http://www.secunia.com/advisories/9709/

Credit

Thanks to Jedi/Sector One for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

Date Public:	2003-09-10
Date First Published:	2003-09-15
Date Last Updated:	2003-09-15
CERT Advisory:
CVE-ID(s):	CAN-2003-0780
NVD-ID(s):	CAN-2003-0780
US-CERT Technical Alerts:
Metric:	1.69
Document Revision:	5

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