Home / mailings [gentoo-announce] [ GLSA 201710-05 ] Munin: Arbitrary file write
Posted on 08 October 2017
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Gentoo Linux Security Advisory GLSA 201710-05
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https://security.gentoo.org/
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Severity: Normal
Title: Munin: Arbitrary file write
Date: October 08, 2017
Bugs: #610602
ID: 201710-05
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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
-------------------------------------------------------------------
1 net-analyzer/munin < 2.0.33 >= 2.0.33
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
==========
[ 1 ] CVE-2017-6188
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6188
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201710-05
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 2017 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.
http://creativecommons.org/licenses/by-sa/2.5
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