CVE-2009-4500 Null dereference in n/a
Remote attackers can crash Zabbix Server by sending a crafted request lacking a colon separator, causing a NULL pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-4500?
CVE-2009-4500 is a medium-severity vulnerability in Zabbix Zabbix, published on 31 Dec 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2009-4500?
It affects 1 product.
Products include Zabbix Zabbix.
How do I fix CVE-2009-4500?
Upgrade to a fixed version.
Is CVE-2009-4500 being exploited?
There is no known exploitation of CVE-2009-4500 in the wild and no public exploit code.
Other vulnerabilities in Zabbix Zabbix
Sources
Also known as DEBIAN-CVE-2009-4500, GHSA-8jg5-4gwh-7gh9.