Zabbix < 1.6.6 Null Pointer Dereference DoS

Medium Nessus Network Monitor Plugin ID 5268


The remote host is vulnerable to denial-of-service attack.


The remote host is running Zabbix, an IT monitoring service. The installed version of Zabbix is earlier than 1.6.6. Such versions are potentially affected by a Null Pointer Dereference vulnerability in the 'process_trap()' function of the 'zabbix_server/trapper/trapper.c' source file. An attacker can exploit this flaw to crash the affected service.


Upgrade to Zabbix 1.6.6 or later.

See Also

Plugin Details

Severity: Medium

ID: 5268

File Name: 5268.prm

Family: Generic

Published: 2009/12/17

Modified: 2016/01/21

Dependencies: 1442

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C


Base Score: 5.3

Temporal Score: 4.9


Temporal Vector: CVSS3#E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:zabbix:zabbix

Patch Publication Date: 2009/08/26

Vulnerability Publication Date: 2009/12/13

Reference Information

BID: 37308