CVE-2018-13441: Null Pointer Dereference
First published: Thu Jul 12 2018(Updated: )
qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to cause a local denial-of-service condition by sending a crafted payload to the listening UNIX socket.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nagios Nagios | <=4.4.1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00022.html
- https://gist.github.com/fakhrizulkifli/8df4a174158df69ebd765f824bd736b8
- https://knowledge.opsview.com/v5.3/docs/whats-new
- https://knowledge.opsview.com/v5.4/docs/whats-new
- https://www.exploit-db.com/exploits/45082/
Frequently Asked Questions
What is CVE-2018-13441?
CVE-2018-13441 is a vulnerability in Nagios Core version 4.4.1 and earlier that allows an attacker to cause a local denial-of-service condition.
How severe is CVE-2018-13441?
CVE-2018-13441 has a severity rating of 5.5 (medium).
How does CVE-2018-13441 affect Nagios Core?
CVE-2018-13441 affects Nagios Core version 4.4.1 and earlier.
How can an attacker exploit CVE-2018-13441?
An attacker can exploit CVE-2018-13441 by sending a crafted payload to the listening UNIX socket.
Is there a fix for CVE-2018-13441?
Yes, upgrading to a version of Nagios Core that is after 4.4.1 will fix CVE-2018-13441.
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