GLSA 201710-05: Munin: Arbitrary file write
| Severity: | normal |
| Title: | Munin: Arbitrary file write |
| Date: | 10/08/2017 |
| Bugs: | |
| ID: | 201710-05 |
Synopsis
A vulnerability in Munin allows local attackers to overwrite any file accessible to the www-data user.Background
Munin is an open source server monitoring tool.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| net-analyzer/munin | < 2.0.33 | >= 2.0.33 | All supported architectures |
Description
When Munin is compiled with CGI graphics enabled then the files accessible to the www-data user can be overwritten.
Impact
A local attacker, by setting multiple upper_limit GET parameters, could overwrite files accessible to the www-user.
Workaround
There is no known workaround at this time.
Resolution
All Munin users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/munin-2.0.33"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.