Security update for mariadb

Open Source Vulnerabilities SUSE-SU-2020:0831-1

This update for mariadb to version 10.2.31 GA fixes the following issues: MariaDB was updated to version 10.2.31 GA (bsc#1162388 and bsc#1156669). Security issues fixed: - CVE-2020-2574: Fixed a difficult to exploit vulnerability that allowed an attacker to crash the client (bsc#1162388). - CVE-2019-18901: Fixed an unsafe path handling behavior in mysql-systemd-helper (bsc#1160895). - CVE-2019-2737: Fixed an issue where could lead a remote attacker to cause denial of service - CVE-2019-2938: Fixed an issue where could lead a remote attacker to cause denial of service - CVE-2019-2740: Fixed an issue where could lead a local attacker to cause denial of service - CVE-2019-2805: Fixed an issue where could lead a local attacker to cause denial of service - CVE-2019-2974: Fixed an issue where could lead a remote attacker to cause denial of service - CVE-2019-2758: Fixed an issue where could lead a local attacker to cause denial of service or data corruption - CVE-2019-2739: Fixed an issue where could lead a local attacker to cause denial of service or data corruption - Enabled security hardenings in MariaDB's systemd service, namely ProtectSystem, ProtectHome and UMask (bsc#1160878). - Fixed a potental symlink attack (bsc#1160912). - Fixed a permissions issue in /var/lib/mysql (bsc#1077717). - Used systemd-tmpfiles for a cleaner and safer creation of /run/mysql (bsc#1160883).