CVE-2018-6534 Null dereference in n/a
Attackers can crash the Icinga monitoring server by sending specially crafted messages, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-6534?
CVE-2018-6534 is a medium-severity vulnerability in n/a, published on 27 Feb 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.
Weakness: CWE-476
Which versions are affected by CVE-2018-6534?
It affects 1 product.
Products include Icinga Icinga.
How do I fix CVE-2018-6534?
Upgrade to a fixed version.
Is CVE-2018-6534 being exploited?
There is no known exploitation of CVE-2018-6534 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-48057 Icinga 2 certificate renewal might incorrectly renew an invalid certificate
- CVE-2020-29663 Security feature bypass in n/a
- CVE-2024-24820 Icinga Director configuration is susceptible to Cross-Site Request Forgery
- CVE-2018-6535 Information disclosure in n/a
- CVE-2020-14004 Path traversal in n/a
Sources
Also known as DEBIAN-CVE-2018-6534, GHSA-mpx7-h62m-5fwv, UBUNTU-CVE-2018-6534.