Description
The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | zabbix | 1:1.8-1 | — |
| Debian 13 | zabbix | 1:1.8-1 | — |
| Debian 12 | zabbix | 1:1.8-1 | — |
References
- 20091213 Zabbix Server : Multiple remote vulnerabilities mailing-list
- https://support.zabbix.com/browse/ZBX-993
- 37740 third-party-advisory
- ADV-2009-3514 vdb-entry