Zabbix Server : Multiple remote vulnerabilities

>From Wikipedia : "Zabbix is a network management system application
[…] designed to monitor and track the status of various network
services, servers, and other network hardware."

    [Zabbix Server : Remote command execution]

Impacted software : Zabbix Server
Zabbix reference : https://support.zabbix.com/browse/ZBX-1030
Patched version : 1.8

Faulty source code : function node_process_command() in
zabbix_server/trapper/nodecommand.c

Changelog entry : fixed security vulnerability in server allowing remote
unauthenticated users to execute scripts

    [Zabbix Server : Remote SQL execution]

Impacted software : Zabbix Server
Zabbix reference : https://support.zabbix.com/browse/ZBX-1031
Patched version : 1.6.8 (patch for 1.6.7 was insufficient)

Faulty source code : function send_history_last_id() in
zabbix_server/trapper/nodehistory.c

Changelog entry (1.6.7) : fixed security vulnerability in server,
allowing remote unauthenticated users to execute arbitrary SQL queries
Changelog entry (1.6.8) : added more security checks for communication
between nodes

    [Zabbix Server : Remote DoS (NULL deref)]

Impacted software : Zabbix Server
Zabbix reference : https://support.zabbix.com/browse/ZBX-993
Patched version : 1.6.6

Faulty source code : function process_trap() in
zabbix_server/trapper/trapper.c

Changelog entry : fixed possible vulnerability of trapper

    [Zabbix Server : Remote DoS (NULL deref)]

Impacted software : Zabbix Server
Zabbix reference : https://support.zabbix.com/browse/ZBX-1355
Patched version : 1.6.8

Faulty source code : function zbx_get_next_field() in
libs/zbxcommon/str.c

Changelog entry : fixed possible server crash when receiving invalid
data

Nicob