Description
Munin before 2.0.6 stores plugin state files that run as root in the same group-writable directory as non-root plugins, which allows local users to execute arbitrary code by replacing a state file, as demonstrated using the smart_ plugin.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | munin | 2.0.6-1 | — |
| Debian 13 | munin | 2.0.6-1 | — |
| Debian 12 | munin | 2.0.6-1 | — |
| Debian 6.0 | munin | 1.4.5-3+deb6u1 | DLA-20-1 |
Advisories 1
- DLA-20-1 munin - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2012-13649 vendor-advisory
- USN-1622-1 vendor-advisory
- FEDORA-2012-13683 vendor-advisory
- [oss-security] 20120820 Two munin issues, now with CVEs mailing-list
- http://www.munin-monitoring.org/ticket/1234
- FEDORA-2012-13110 vendor-advisory
- 55698 vdb-entry
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684075