Updated mysql packages that fix several security issues 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.

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

Multiple flaws were discovered in the way MySQL handled symbolic links to tables created using the DATA DIRECTORY and INDEX DIRECTORY directives in CREATE TABLE statements. An attacker with CREATE and DROP table privileges and shell access to the database server could use these flaws to escalate their database privileges, or gain access to tables created by other database users. (CVE-2008-4098, CVE-2009-4030)

Note: Due to the security risks and previous security issues related to the use of the DATA DIRECTORY and INDEX DIRECTORY directives, users not depending on this feature should consider disabling it by adding 'symbolic-links=0' to the '[mysqld]' section of the 'my.cnf' configuration file. In this update, an example of such a configuration was added to the default 'my.cnf' file.

An insufficient HTML entities quoting flaw was found in the mysql command line client's HTML output mode. If an attacker was able to inject arbitrary HTML tags into data stored in a MySQL database, which was later retrieved using the mysql command line client and its HTML output mode, they could perform a cross-site scripting (XSS) attack against victims viewing the HTML output in a web browser.
(CVE-2008-4456)

Multiple format string flaws were found in the way the MySQL server logged user commands when creating and deleting databases. A remote, authenticated attacker with permissions to CREATE and DROP databases could use these flaws to formulate a specially crafted SQL command that would cause a temporary denial of service (open connections to mysqld are terminated). (CVE-2009-2446)

Note: To exploit the CVE-2009-2446 flaws, the general query log (the mysqld '--log' command line option or the 'log' option in 'my.cnf') must be enabled. This logging is not enabled by default.

All MySQL users are advised to upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the MySQL server daemon (mysqld) will be restarted automatically.

The remote host is affected by the vulnerability described in GLSA-201201-02 (MySQL: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in MySQL. Please review       the CVE identifiers referenced below for details.
  Impact :

    An unauthenticated remote attacker may be able to execute arbitrary code       with the privileges of the MySQL process, cause a Denial of Service       condition, bypass security restrictions, uninstall arbitrary MySQL       plugins, or conduct Man-in-the-Middle and Cross-Site Scripting attacks.
  Workaround :

    There is no known workaround at this time.

Empty bit-strings in a query could crash the MySQL server (CVE-2008-3963).

Due to another flaw users could access tables of other users (CVE-2008-4097, CVE-2008-4098).

This update also fixes problems with the 'ORDER BY' query

CVE-2009-4019 mysql: DoS (crash) when comparing GIS items from subquery and when handling subqueires in WHERE and assigning a SELECT result to a @variable

CVE-2009-4028 mysql: client SSL certificate verification flaw

CVE-2009-4030 mysql: Incomplete fix for CVE-2008-2079 / CVE-2008-4098

It was discovered that the MySQL client ignored certain SSL certificate verification errors when connecting to servers. A man-in-the-middle attacker could use this flaw to trick MySQL clients into connecting to a spoofed MySQL server. (CVE-2009-4028)

Note: This fix may uncover previously hidden SSL configuration issues, such as incorrect CA certificates being used by clients or expired server certificates. This update should be carefully tested in deployments where SSL connections are used.

A flaw was found in the way MySQL handled SELECT statements with subqueries in the WHERE clause, that assigned results to a user variable. A remote, authenticated attacker could use this flaw to crash the MySQL server daemon (mysqld). This issue only caused a temporary denial of service, as the MySQL daemon was automatically restarted after the crash. (CVE-2009-4019)

When the 'datadir' option was configured with a relative path, MySQL did not properly check paths used as arguments for the DATA DIRECTORY and INDEX DIRECTORY directives. An authenticated attacker could use this flaw to bypass the restriction preventing the use of subdirectories of the MySQL data directory being used as DATA DIRECTORY and INDEX DIRECTORY paths. (CVE-2009-4030)

Note: Due to the security risks and previous security issues related to the use of the DATA DIRECTORY and INDEX DIRECTORY directives, users not depending on this feature should consider disabling it by adding 'symbolic-links=0' to the '[mysqld]' section of the 'my.cnf' configuration file. In this update, an example of such a configuration was added to the default 'my.cnf' file.

After installing this update, the MySQL server daemon (mysqld) will be restarted automatically.

The remote Solaris system is missing necessary patches to address security updates :

  - MySQL before 5.0.67 allows local users to bypass certain     privilege checks by calling CREATE TABLE on a MyISAM     table with modified (1) DATA DIRECTORY or (2) INDEX     DIRECTORY arguments that are originally associated with     pathnames without symlinks, and that can point to tables     created at a future time at which a pathname is modified     to contain a symlink to a subdirectory of the MySQL home     data directory. NOTE: this vulnerability exists because     of an incomplete fix for CVE-2008-4097. (CVE-2008-4098)

  - sql/sql_table.cc in MySQL 5.0.x through 5.0.88, 5.1.x     through 5.1.41, and 6.0 before 6.0.9-alpha, when the     data home directory contains a symlink to a different     filesystem, allows remote authenticated users to bypass     intended access restrictions by calling CREATE TABLE     with a (1) DATA DIRECTORY or (2) INDEX DIRECTORY     argument referring to a subdirectory that requires     following this symlink. (CVE-2008-7247)

  - MySQL before 5.1.46 allows local users to delete the     data and index files of another user's MyISAM table via     a symlink attack in conjunction with the DROP TABLE     command, a different vulnerability than CVE-2008-4098     and CVE-2008-7247. (CVE-2010-1626)

  - MariaDB 5.5.x before 5.5.30, 5.3.x before 5.3.13, 5.2.x     before 5.2.15, and 5.1.x before 5.1.68, and Oracle MySQL     5.1.69 and earlier, 5.5.31 and earlier, and 5.6.11 and     earlier allows remote attackers to cause a denial of     service (crash) via a crafted geometry feature that     specifies a large number of points, which is not     properly handled when processing the binary     representation of this feature, related to a numeric     calculation error. (CVE-2013-1861)

Empty bit-strings in a query could crash the MySQL server.
(CVE-2008-3963)

Due to another flaw users could access tables of other users.
(CVE-2008-4097 / CVE-2008-4098)

MySQL Team reports :

Additional corrections were made for the symlink-related privilege problem originally addressed. The original fix did not correctly handle the data directory pathname if it contained symlinked directories in its path, and the check was made only at table-creation time, not at table-opening time later.

Updated mysql packages that fix various security issues and several bugs are now available for Red Hat Enterprise Linux 5.

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

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many 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)

A flaw was found in the way MySQL handles an empty bit-string literal.
A remote, authenticated attacker could crash the MySQL server daemon (mysqld) if they used an empty bit-string literal in a SQL statement.
This issue only caused a temporary denial of service, as the MySQL daemon was automatically restarted after the crash. (CVE-2008-3963)

An insufficient HTML entities quoting flaw was found in the mysql command line client's HTML output mode. If an attacker was able to inject arbitrary HTML tags into data stored in a MySQL database, which was later retrieved using the mysql command line client and its HTML output mode, they could perform a cross-site scripting (XSS) attack against victims viewing the HTML output in a web browser.
(CVE-2008-4456)

Multiple format string flaws were found in the way the MySQL server logs user commands when creating and deleting databases. A remote, authenticated attacker with permissions to CREATE and DROP databases could use these flaws to formulate a specifically-crafted SQL command that would cause a temporary denial of service (open connections to mysqld are terminated). (CVE-2009-2446)

Note: To exploit the CVE-2009-2446 flaws, the general query log (the mysqld '--log' command line option or the 'log' option in '/etc/my.cnf') must be enabled. This logging is not enabled by default.

This update also fixes multiple bugs. Details regarding these bugs can be found in the Red Hat Enterprise Linux 5.4 Technical Notes. You can find a link to the Technical Notes in the References section of this errata.

Note: These updated packages upgrade MySQL to version 5.0.77 to incorporate numerous upstream bug fixes. Details of these changes are found in the following MySQL Release Notes:
http://dev.mysql.com/doc/refman/5.0/en/news-5-0-77.html

All MySQL users are advised to upgrade to these updated packages, which resolve these issues. After installing this update, the MySQL server daemon (mysqld) will be restarted automatically.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
44647	CentOS 4 : mysql (CESA-2010:0110)	Nessus	CentOS Local Security Checks	2010/2/18	2021/1/4	high
57446	GLSA-201201-02 : MySQL: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2012/1/6	2021/1/6	high
40026	openSUSE Security Update : libmysqlclient-devel (libmysqlclient-devel-210)	Nessus	SuSE Local Security Checks	2009/7/21	2021/1/14	medium
44635	RHEL 4 : mysql (RHSA-2010:0110)	Nessus	Red Hat Local Security Checks	2010/2/17	2021/1/14	high
60736	Scientific Linux Security Update : mysql on SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	medium
80705	Oracle Solaris Third-Party Patch Update : mysql (multiple_vulnerabilities_in_mysql)	Nessus	Solaris Local Security Checks	2015/1/19	2021/1/14	medium
34765	SuSE 10 Security Update : MySQL (ZYPP Patch Number 5618)	Nessus	SuSE Local Security Checks	2008/11/13	2021/1/14	medium
35279	FreeBSD : mysql -- MyISAM table privileges security bypass vulnerability for symlinked paths (738f8f9e-d661-11dd-a765-0030843d3802)	Nessus	FreeBSD Local Security Checks	2008/12/30	2021/1/6	medium
63890	RHEL 5 : mysql (RHSA-2009:1289)	Nessus	Red Hat Local Security Checks	2013/1/24	2021/1/14	high

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