SQL injection vulnerability in the user.authenticate method in the API in Zabbix 1.8 before 1.8.2 allows remote attackers to execute arbitrary SQL commands via the user parameter in JSON data to api_jsonrpc.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-1306
http://www.zabbix.com/rn1.8.2.php
http://www.vupen.com/english/advisories/2010/0799
http://www.securityfocus.com/bid/39148
http://www.securityfocus.com/archive/1/510480/100/0/threaded
http://secunia.com/advisories/39119
http://legalhackers.com/poc/zabbix181api.pl-poc
http://legalhackers.com/advisories/zabbix181api-sql.txt
http://archives.neohapsis.com/archives/fulldisclosure/2010-04/0001.html