The version of MySQL installed on the remote host is older than  5.0.90, 5.1.43 or 5.5.0-m2. Such versions use yaSSL prior to 1.9.9, that is vulnerable to multiple buffer overflows. These overflows allow a remote attacker to crash the server.

This update fixes various security issues (bnc#557669) :

upstream #47320 - checking server certificates (CVE-2009-4028) upstream #48291 - error handling in subqueries (CVE-2009-4019) upstream #47780 - preserving null_value flag in GeomFromWKB() (CVE-2009-4019) upstream #39277 - symlink behaviour fixed (CVE-2008-7247) upstream #32167 - symlink behaviour refixed (CVE-2009-4030) fixing remote buffer overflow. (CVE-2009-4484)

It was discovered that MySQL could be made to overwrite existing table files in the data directory. An authenticated user could use the DATA DIRECTORY and INDEX DIRECTORY options to possibly bypass privilege checks. This update alters table creation behaviour by disallowing the use of the MySQL data directory in DATA DIRECTORY and INDEX DIRECTORY options. This issue only affected Ubuntu 8.10. (CVE-2008-4098) 

It was discovered that MySQL contained a cross-site scripting vulnerability in the command-line client when the --html option is enabled. An attacker could place arbitrary web script or html in a database cell, which would then get placed in the html document output by the command-line tool. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 8.10 and 9.04. (CVE-2008-4456)

It was discovered that MySQL could be made to overwrite existing table files in the data directory. An authenticated user could use symlinks combined with the DATA DIRECTORY and INDEX DIRECTORY options to possibly bypass privilege checks. This issue only affected Ubuntu 9.10. (CVE-2008-7247)

It was discovered that MySQL contained multiple format string flaws when logging database creation and deletion. An authenticated user could use specially crafted database names to make MySQL crash, causing a denial of service. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 8.10 and 9.04. (CVE-2009-2446)

It was discovered that MySQL incorrectly handled errors when performing certain SELECT statements, and did not preserve correct flags when performing statements that use the GeomFromWKB function. An authenticated user could exploit this to make MySQL crash, causing a denial of service. (CVE-2009-4019)

It was discovered that MySQL incorrectly checked symlinks when using the DATA DIRECTORY and INDEX DIRECTORY options. A local user could use symlinks to create tables that pointed to tables known to be created at a later time, bypassing access restrictions. (CVE-2009-4030)

It was discovered that MySQL contained a buffer overflow when parsing ssl certificates. A remote attacker could send crafted requests and cause a denial of service or possibly execute arbitrary code. This issue did not affect Ubuntu 6.06 LTS and the default compiler options for affected releases should reduce the vulnerability to a denial of service. In the default installation, attackers would also be isolated by the AppArmor MySQL profile. (CVE-2009-4484).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the MySQL database server. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2009-4019     Domas Mituzas discovered that mysqld does not properly     handle errors during execution of certain SELECT     statements with subqueries, and does not preserve     certain null_value flags during execution of statements     that use the GeomFromWKB function, which allows remote     authenticated users to cause a denial of service (daemon     crash) via a crafted statement.

  - CVE-2009-4030     Sergei Golubchik discovered that MySQL allows local     users to bypass certain privilege checks by calling     CREATE TABLE on a MyISAM table with modified DATA     DIRECTORY or 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 data home directory.

  - CVE-2009-4484     Multiple stack-based buffer overflows in the     CertDecoder::GetName function in src/asn.cpp in TaoCrypt     in yaSSL before 1.9.9, as used in mysqld, allow remote     attackers to execute arbitrary code or cause a denial of     service (memory corruption and daemon crash) by     establishing an SSL connection and sending an X.509     client certificate with a crafted name field.

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.

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues.

MySQL has been updated to 5.1.61 in Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04 and Ubuntu 11.10. Ubuntu 8.04 LTS has been updated to MySQL 5.0.95.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Please see the following for more information :

http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.ht ml.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
17835	MySQL < 5.0.90 / 5.1.43 / 5.5.0-m2 Multiple Buffer Overflows	Nessus	Databases	1/18/2012	11/15/2018	high
49903	SuSE 10 Security Update : MySQL (ZYPP Patch Number 6899)	Nessus	SuSE Local Security Checks	10/11/2010	1/14/2021	high
44585	Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : mysql-dfsg-5.0, mysql-dfsg-5.1 vulnerabilities (USN-897-1)	Nessus	Ubuntu Local Security Checks	2/11/2010	9/19/2019	high
44861	Debian DSA-1997-1 : mysql-dfsg-5.0 - several vulnerabilities	Nessus	Debian Local Security Checks	2/24/2010	1/4/2021	high
57446	GLSA-201201-02 : MySQL: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	1/6/2012	1/6/2021	high
45107	SuSE 10 Security Update : MySQL (ZYPP Patch Number 6897)	Nessus	SuSE Local Security Checks	3/19/2010	1/14/2021	high
58325	Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : mysql-5.1, mysql-dfsg-5.0, mysql-dfsg-5.1 vulnerabilities (USN-1397-1)	Nessus	Ubuntu Local Security Checks	3/13/2012	9/19/2019	high

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