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TITLE:
ZABBIX Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA37740

VERIFY ADVISORY:
http://secunia.com/advisories/37740/

DESCRIPTION:
Nicob has reported some vulnerabilities in ZABBIX, which can be
exploited by malicious people to cause a DoS (Denial of Service),
bypass certain security restrictions, conduct SQL injection attacks,
or compromise a vulnerable system.

1) An input validation error in the ZABBIX agent can be exploited to
bypass the "EnableRemoteCommands" restriction and execute arbitrary
commands.

Successful exploitation requires that the application is running
under FreeBSD or Solaris, and that the user is tricked into
connecting to a malicious server.

2) An error in the "node_process_command()" function can be exploited
to execute arbitrary commands via specially crafted data sent to a
ZABBIX server.

3) Input passed to the "send_history_last_id()" function in
zabbix_server/trapper/nodehistory.c is not properly sanitised before
being used in an SQL query. This can be exploited to manipulate SQL
queries by injecting arbitrary SQL code.

4) A NULL-pointer dereference error in the "process_trap()" function
in zabbix_server/trapper/trapper.c can be exploited to cause a
crash.

5) A NULL-pointer dereference error in the "zbx_get_next_field()"
function in libs/zbxcommon/str.c can be exploited to cause a crash.

SOLUTION:
Update to version 1.8.

PROVIDED AND/OR DISCOVERED BY:
Nicob

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/current/0311.html
http://archives.neohapsis.com/archives/fulldisclosure/current/0312.html

https://support.zabbix.com/browse/ZBX-993
https://support.zabbix.com/browse/ZBX-1030
https://support.zabbix.com/browse/ZBX-1031
https://support.zabbix.com/browse/ZBX-1032
https://support.zabbix.com/browse/ZBX-1355

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