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Category:   Application (Database)  >   MySQL Vendors:   MySQL.com
MySQL Large Packet Processing Flaw in my_net_skip_rest() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1024032
SecurityTracker URL:  http://securitytracker.com/id/1024032
CVE Reference:   CVE-2010-1849   (Links to External Site)
Date:  May 26 2010
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5.1.47
Description:   A vulnerability was reported in MySQL. A remote user can cause denial of service conditions.

A remote user can send a specially crafted packet that is larger than the maximum allowed packet size to cause the target service to read packets indefinitely, consuming excessive CPU resources on the target system.

Eric Day reported this vulnerability.

Impact:   A remote user can consume excessive CPU resources on the target system.
Solution:   The vendor has issued a fix (5.1.47).

The vendor's advisory is available at:

http://dev.mysql.com/doc/refman/5.1/en/news-5-1-47.html

Vendor URL:  www.mysql.com/ (Links to External Site)
Cause:   State error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Wed, 26 May 2010 20:07:51 +0000
Subject:  MySQL


http://dev.mysql.com/doc/refman/5.1/en/news-5-1-47.html

Security Fix: The server could be tricked into reading packets indefinitely if it 
received a packet larger than the maximum size of one packet. (Bug#50974, 
CVE-2010-1849)
 
 


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