CVE-2018-13457: Null Pointer Dereference
First published: Thu Jul 12 2018(Updated: )
qh_echo in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers 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 | <=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/87cf1c1ad403b4d40a86d90c9c9bf7ab
- 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 the severity of CVE-2018-13457?
CVE-2018-13457 has a severity rating that indicates it can lead to a local denial-of-service condition.
How do I fix CVE-2018-13457?
To fix CVE-2018-13457, update Nagios Core to version 4.4.2 or later that addresses this vulnerability.
What software is affected by CVE-2018-13457?
CVE-2018-13457 affects Nagios Core versions 4.4.1 and earlier.
What type of vulnerability is CVE-2018-13457?
CVE-2018-13457 is a NULL pointer dereference vulnerability.
Can CVE-2018-13457 be exploited remotely?
CVE-2018-13457 requires an attacker to be local to the system to send a crafted payload to exploit the vulnerability.
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