CVE-2018-6536 An issue was discovered in Icinga 2.x through 2.8.1. The daemon creates an icinga2.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes b...
MediumCVSS 5.5
EPSS 0.26%
- Published
- Updated
- Exploit status
- No public exploit known
Description
An issue was discovered in Icinga 2.x through 2.8.1. The daemon creates an icinga2.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for icinga2.pid modification before a root script executes a "kill cat /pathname/icinga2.pid" command, as demonstrated by icinga2.init.d.cmake.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/icinga2(Debian:12) | < 2.8.4-1 | 2.8.4-1 |
| debian/icinga2(Debian:13) | < 2.8.4-1 | 2.8.4-1 |
| debian/icinga2(Debian:14) | < 2.8.4-1 | 2.8.4-1 |
| icinga | >= 2.0.0, <= 2.8.1 | No fix listed |
| ubuntu/icinga2(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/icinga2(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/icinga2(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/icinga2(Ubuntu:22.04) | All versions | No fix listed |
References
- Ubuntu CVE tracker vendor-advisory
- www.cve.org
- Debian Security Tracker CVE-2018-6536 vendor-advisory
- github.com issue-tracking third-party-advisory