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>> MySQL Database Creation Security Bypass and Privilege Escalation Vulnerabilities

Title : MySQL Database Creation Security Bypass and Privilege Escalation Vulnerabilities
VUPEN ID : VUPEN/ADV-2006-3306
CVE ID : CVE-2006-4226 - CVE-2006-4227
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-08-17


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

Two vulnerabilities have been identified in MySQL, which could be exploited by malicious users to bypass security restrictions.

The first issue is due to an error when creating databases, which could be exploited by a malicious user who has access to a database (e.g. "test") to create arbitrary databases (e.g. "tEst") on case-sensitive filesystems even if he does not have the appropriate permissions.

The second flaw is due to an error where suid routine arguments are calculated in an incorrect security context, which could be exploited by a malicious user with "EXECUTE" privileges to execute arbitrary DML statements with the privileges of the routine's definer.

Affected Products

MySQL version 4.1.20 and prior
MySQL version 5.0.24 and prior
MySQL version 5.1.11 and prior

Solution

Upgrade to MySQL 4.1.21, 5.0.25, or 5.1.12 :
http://dev.mysql.com/downloads/

References

http://www.vupen.com/english/advisories/2006/3306
http://bugs.mysql.com/bug.php?id=17647
http://bugs.mysql.com/bug.php?id=18630

Credits

Vulnerabilities reported by Michal Prokopiuk and Dmitri Lenev

ChangeLog

2006-08-17 : Initial release

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