Description
The zbx_get_next_field function in libs/zbxcommon/str.c in Zabbix Server before 1.6.8 allows remote attackers to cause a denial of service (crash) via a request that lacks expected separators, which triggers a NULL pointer dereference, as demonstrated using the Command keyword.
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 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Zabbix Server - Multiple Vulnerabilities EDB-10432 · webapps · Dec 14, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20091213 Zabbix Server : Multiple remote vulnerabilities mailing-list
- https://support.zabbix.com/browse/ZBX-1355
- 37740 third-party-advisory
- ADV-2009-3514 vdb-entry