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Debian Security Advisory DSA 2818-1 (mysql-5.5 - several vulnerabilities)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several issues have been discovered in the MySQL database server. The vulnerabilities are addressed by upgrading MySQL to a new upstream version, 5.5.33, which includes additional changes, such as performance improvements, bug fixes, new features, and possibly incompatible changes. In addition this update fixes two issues affecting specifically the mysql-5.5 Debian package: A race condition in the post-installation script of the mysql-server-5.5 package creates the configuration file /etc/mysql/debian.cnf with world-readable permissions before restricting the permissions, which allows local users to read the file and obtain sensitive information such as credentials for the debian-sys-maint to perform administration tasks. (CVE-2013-2162 ) Matthias Reichl reported that the mysql-5.5 package misses the patches applied previous in Debian's mysql-5.1 to drop the database test and the permissions that allow anonymous access, without a password, from localhost to the test database and any databases starting with test_ . This update reintroduces these patches for the mysql-5.5 package. Existing databases and permissions are not touched. Please refer to the NEWS file provided with this update for further information.
Affected Software
Affected Software
mysql-5.5 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (wheezy), these problems have been fixed in version 5.5.33+dfsg-0+wheezy1. For the unstable distribution (sid), the Debian specific problems will be fixed soon. We recommend that you upgrade your mysql-5.5 packages.