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[SA12783] MySQL Two Vulnerabilities
From: Secunia Security Advisories (sec-adv
secunia.com)
Date: Mon Oct 11 2004 - 08:35:54 CDT
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TITLE:
MySQL Two Vulnerabilities
SECUNIA ADVISORY ID:
SA12783
VERIFY ADVISORY:
http://secunia.com/advisories/12783/
CRITICAL:
Less critical
IMPACT:
Security Bypass, DoS
WHERE:
From local network
SOFTWARE:
MySQL 4.x
http://secunia.com/product/404/
MySQL 3.x
http://secunia.com/product/99/
DESCRIPTION:
Two vulnerabilities have been reported in MySQL, which can be
exploited by malicious users to bypass certain security restrictions
or cause a DoS (Denial of Service).
1) An error in "ALTER TABLE ... RENAME" operations causes the
CREATE/INSERT rights of old tables to be checked, which potentially
can be exploited to bypass some applied security restrictions.
The vulnerability has been reported in version 3.23. Other versions
may also be affected.
2) It is possible to crash or stall the server when multiple threads
ALTER the same or different MERGE tables to change the UNION.
The vulnerability has been reported in version 3.23 and 4.0.18. Other
versions may also be affected.
SOLUTION:
Update to version 3.23.59 or 4.0.21.
http://dev.mysql.com/downloads/mysql/
PROVIDED AND/OR DISCOVERED BY:
1) Oleksandr Byelkin
2) Dean Ellis
ORIGINAL ADVISORY:
1) http://bugs.mysql.com/bug.php?id=3270
2) http://bugs.mysql.com/bug.php?id=2408
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