GLSA 201710-05: Munin: Arbitrary file write

Severity:normal
Title:Munin: Arbitrary file write
Date:10/08/2017
Bugs: #610602
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: http://security.gentoo.org/glsa/glsa-201710-05.xml

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.

Thank you!