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MySQL: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200711-25 / mysql
Release Date November 18, 2007
Latest Revision November 18, 2007: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-db/mysql < 5.0.44-r2 >= 5.0.44-r2 All supported architectures

Related bugreports: #198988


A Denial of Service vulnerability was found in MySQL.

2.  Impact Information


MySQL is a popular multi-threaded, multi-user SQL server.


Joe Gallo and Artem Russakovskii reported an error in the convert_search_mode_to_innobase() function in in the InnoDB engine that is leading to a failed assertion when handling CONTAINS operations.


A remote authenticated attacker with ALTER privileges could send a specially crafted request to a vulnerable database server possibly leading to a Denial of Service.

3.  Resolution Information


There is no known workaround at this time.


All MySQL users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-db/mysql-5.0.44-r2"

4.  References


Page updated November 18, 2007

Summary: This is a Gentoo Linux Security Advisory

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