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Category:   Application (Database)  >   MySQL Vendors:   MySQL.com
MySQL convert_search_mode_to_innobase() Bug Lets Remote Authenticated Users Deny Service
SecurityTracker Alert ID:  1018978
SecurityTracker URL:  http://securitytracker.com/id/1018978
CVE Reference:   CVE-2007-5925   (Links to External Site)
Date:  Nov 19 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.1.23-BK and prior versions
Description:   A vulnerability was reported in MySQL. A remote authenticated user can cause denial of service conditions.

A remote authenticated user can send specially crafted request to trigger an assertion error in the convert_search_mode_to_innobase() function and cause the target service to crash.

The vulnerable function resides in 'ha_innodb.cc'.

A specially crafted CONTAINS operation on an indexed column can trigger the flaw.

Artem Russakovskii reported this vulnerability.

Impact:   A remote authenticated user can cause denial of service conditions on the target system.
Solution:   The vendor has issued a fix.

A source code patch is available at:

bugs.mysql.com/bug.php?id=32125

Vendor URL:  bugs.mysql.com/bug.php?id=32125 (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 18 2007 (Red Hat Issues Fix) MySQL convert_search_mode_to_innobase() Bug Lets Remote Authenticated Users Deny Service   (bugzilla@redhat.com)
Red Hat has released a fix for Red Hat Enterprise Linux 4 and 5.
Dec 19 2007 (Red Hat Issues Fix) MySQL convert_search_mode_to_innobase() Bug Lets Remote Authenticated Users Deny Service   (bugzilla@redhat.com)
Red Hat has released a fix for Red Hat Application Stack v1 and v2.



 Source Message Contents

Date:  Mon, 5 Nov 2007 22:38:36 -0800
Subject:  [Full-disclosure] MySQL 5.x DoS (unknown)

My roommate Joe Gallo found this one today while tediously laboring
away at blinkx (video search engine), but I think it is funny, and
could be used to crash local/remote databases due to an assertion in
MySQL that fails and results in SIGABRT/signal-6 to occur on
non-indexed tables...have phun :-)

http://bugs.mysql.com/bug.php?id=32125
-- 
Kristian Erik Hermansen

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