CVE-2009-4501: Buffer Overflow
The zbxgetnextfield 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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2009-4501?
CVE-2009-4501 has a severity rating that indicates it can lead to a denial of service due to a NULL pointer dereference.
How do I fix CVE-2009-4501?
To fix CVE-2009-4501, upgrade your Zabbix Server to version 1.6.8 or later.
What versions of Zabbix are affected by CVE-2009-4501?
CVE-2009-4501 affects Zabbix Server versions up to 1.6.7, including versions 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.4.2, 1.4.3, 1.4.4, 1.4.6, and 1.6.6.
What type of vulnerability is CVE-2009-4501?
CVE-2009-4501 is a denial of service vulnerability caused by improper input handling.
Can CVE-2009-4501 be exploited remotely?
Yes, CVE-2009-4501 can be exploited remotely by sending a specially crafted request that lacks expected separators.