<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201710-05"> <title>Munin: Arbitrary file write</title> <synopsis>A vulnerability in Munin allows local attackers to overwrite any file accessible to the www-data user. </synopsis> <product type="ebuild">munin</product> <announced>2017-10-08</announced> <revised count="1">2017-10-08</revised> <bug>610602</bug> <access>local</access> <affected> <package name="net-analyzer/munin" auto="yes" arch="*"> <unaffected range="ge">2.0.33</unaffected> <vulnerable range="lt">2.0.33</vulnerable> </package> </affected> <background> <p>Munin is an open source server monitoring tool.</p> </background> <description> <p>When Munin is compiled with CGI graphics enabled then the files accessible to the www-data user can be overwritten. </p> </description> <impact type="normal"> <p>A local attacker, by setting multiple upper_limit GET parameters, could overwrite files accessible to the www-user. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Munin users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-analyzer/munin-2.0.33" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6188"> CVE-2017-6188 </uri> </references> <metadata tag="requester" timestamp="2017-10-01T22:42:42Z">chrisadr</metadata> <metadata tag="submitter" timestamp="2017-10-08T13:43:10Z">chrisadr</metadata> </glsa>