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[RHSA-2008:0768-01] Moderate: mysql security, bug fix, and enhancement update



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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: mysql security, bug fix, and enhancement update
Advisory ID:       RHSA-2008:0768-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0768.html
Issue date:        2008-07-24
CVE Names:         CVE-2006-3469 CVE-2006-4031 CVE-2007-2691 
                   CVE-2008-2079 
=====================================================================

1. Summary:

Updated mysql packages that fix various security issues, several bugs, and
add an enhancement are now available for Red Hat Enterprise Linux 4.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

MySQL is a multi-user, multi-threaded SQL database server. MySQL is a
client/server implementation consisting of a server daemon (mysqld), and
many different client programs and libraries.

MySQL did not correctly check directories used as arguments for the DATA
DIRECTORY and INDEX DIRECTORY directives. Using this flaw, an authenticated
attacker could elevate their access privileges to tables created by other
database users. Note: this attack does not work on existing tables. An
attacker can only elevate their access to another user's tables as the
tables are created. As well, the names of these created tables need to be
predicted correctly for this attack to succeed. (CVE-2008-2079)

MySQL did not require the "DROP" privilege for "RENAME TABLE" statements.
An authenticated user could use this flaw to rename arbitrary tables.
(CVE-2007-2691)

MySQL allowed an authenticated user to access a table through a previously
created MERGE table, even after the user's privileges were revoked from the
original table, which might violate intended security policy. This is
addressed by allowing the MERGE storage engine to be disabled, which can be
done by running mysqld with the "--skip-merge" option. (CVE-2006-4031)

A flaw in MySQL allowed an authenticated user to cause the MySQL daemon to
crash via crafted SQL queries. This only caused a temporary denial of
service, as the MySQL daemon is automatically restarted after the crash.
(CVE-2006-3469)

As well, these updated packages fix the following bugs:

* in the previous mysql packages, if a column name was referenced more
than once in an "ORDER BY" section of a query, a segmentation fault
occurred.

* when MySQL failed to start, the init script returned a successful (0)
exit code. When using the Red Hat Cluster Suite, this may have caused
cluster services to report a successful start, even when MySQL failed to
start. In these updated packages, the init script returns the correct exit
codes, which resolves this issue.

* it was possible to use the mysqld_safe command to specify invalid port
numbers (higher than 65536), causing invalid ports to be created, and, in
some cases, a "port number definition: unsigned short" error. In these
updated packages, when an invalid port number is specified, the default
port number is used.

* when setting "myisam_repair_threads > 1", any repair set the index
cardinality to "1", regardless of the table size.

* the MySQL init script no longer runs "chmod -R" on the entire database
directory tree during every startup.

* when running "mysqldump" with the MySQL 4.0 compatibility mode option,
"--compatible=mysql40", mysqldump created dumps that omitted the
"auto_increment" field.

As well, the MySQL init script now uses more reliable methods for
determining parameters, such as the data directory location.

Note: these updated packages upgrade MySQL to version 4.1.22. For a full
list of bug fixes and enhancements, refer to the MySQL release notes:
http://dev.mysql.com/doc/refman/4.1/en/news-4-1-22.html

All mysql users are advised to upgrade to these updated packages, which
resolve these issues and add this enhancement.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  

This update is available via Red Hat Network.  Details on how to use 
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bugs fixed (http://bugzilla.redhat.com/):

201904 - CVE-2006-3469 mysql server DoS
201988 - Queries using a column name multiple times in ORDER BY crash mysql
202246 - CVE-2006-4031 MySQL improper permission revocation
221085 - chown -R of the mysql data directory every startup
233771 - RFE+patch: MySQLd "init.d" startup script should rely on "/usr/bin/my_print_defaults" to get at options
241688 - CVE-2007-2691 mysql DROP privilege not enforced when renaming tables
445222 - CVE-2008-2079 mysql: privilege escalation via DATA/INDEX DIRECTORY directives

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/mysql-4.1.22-2.el4.src.rpm

i386:
mysql-4.1.22-2.el4.i386.rpm
mysql-bench-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-devel-4.1.22-2.el4.i386.rpm
mysql-server-4.1.22-2.el4.i386.rpm

ia64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.ia64.rpm
mysql-bench-4.1.22-2.el4.ia64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.ia64.rpm
mysql-devel-4.1.22-2.el4.ia64.rpm
mysql-server-4.1.22-2.el4.ia64.rpm

ppc:
mysql-4.1.22-2.el4.ppc.rpm
mysql-4.1.22-2.el4.ppc64.rpm
mysql-bench-4.1.22-2.el4.ppc.rpm
mysql-debuginfo-4.1.22-2.el4.ppc.rpm
mysql-debuginfo-4.1.22-2.el4.ppc64.rpm
mysql-devel-4.1.22-2.el4.ppc.rpm
mysql-server-4.1.22-2.el4.ppc.rpm

s390:
mysql-4.1.22-2.el4.s390.rpm
mysql-bench-4.1.22-2.el4.s390.rpm
mysql-debuginfo-4.1.22-2.el4.s390.rpm
mysql-devel-4.1.22-2.el4.s390.rpm
mysql-server-4.1.22-2.el4.s390.rpm

s390x:
mysql-4.1.22-2.el4.s390.rpm
mysql-4.1.22-2.el4.s390x.rpm
mysql-bench-4.1.22-2.el4.s390x.rpm
mysql-debuginfo-4.1.22-2.el4.s390.rpm
mysql-debuginfo-4.1.22-2.el4.s390x.rpm
mysql-devel-4.1.22-2.el4.s390x.rpm
mysql-server-4.1.22-2.el4.s390x.rpm

x86_64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.x86_64.rpm
mysql-bench-4.1.22-2.el4.x86_64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.x86_64.rpm
mysql-devel-4.1.22-2.el4.x86_64.rpm
mysql-server-4.1.22-2.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/mysql-4.1.22-2.el4.src.rpm

i386:
mysql-4.1.22-2.el4.i386.rpm
mysql-bench-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-devel-4.1.22-2.el4.i386.rpm
mysql-server-4.1.22-2.el4.i386.rpm

x86_64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.x86_64.rpm
mysql-bench-4.1.22-2.el4.x86_64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.x86_64.rpm
mysql-devel-4.1.22-2.el4.x86_64.rpm
mysql-server-4.1.22-2.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/mysql-4.1.22-2.el4.src.rpm

i386:
mysql-4.1.22-2.el4.i386.rpm
mysql-bench-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-devel-4.1.22-2.el4.i386.rpm
mysql-server-4.1.22-2.el4.i386.rpm

ia64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.ia64.rpm
mysql-bench-4.1.22-2.el4.ia64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.ia64.rpm
mysql-devel-4.1.22-2.el4.ia64.rpm
mysql-server-4.1.22-2.el4.ia64.rpm

x86_64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.x86_64.rpm
mysql-bench-4.1.22-2.el4.x86_64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.x86_64.rpm
mysql-devel-4.1.22-2.el4.x86_64.rpm
mysql-server-4.1.22-2.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/mysql-4.1.22-2.el4.src.rpm

i386:
mysql-4.1.22-2.el4.i386.rpm
mysql-bench-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-devel-4.1.22-2.el4.i386.rpm
mysql-server-4.1.22-2.el4.i386.rpm

ia64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.ia64.rpm
mysql-bench-4.1.22-2.el4.ia64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.ia64.rpm
mysql-devel-4.1.22-2.el4.ia64.rpm
mysql-server-4.1.22-2.el4.ia64.rpm

x86_64:
mysql-4.1.22-2.el4.i386.rpm
mysql-4.1.22-2.el4.x86_64.rpm
mysql-bench-4.1.22-2.el4.x86_64.rpm
mysql-debuginfo-4.1.22-2.el4.i386.rpm
mysql-debuginfo-4.1.22-2.el4.x86_64.rpm
mysql-devel-4.1.22-2.el4.x86_64.rpm
mysql-server-4.1.22-2.el4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3469
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4031
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2691
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2079
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert redhat com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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