<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201709-05"> <title>chkrootkit: Local privilege escalation</title> <synopsis>A vulnerability in chkrootkit may allow local users to gain root privileges. </synopsis> <product type="ebuild">chkrootkit</product> <announced>2017-09-17</announced> <revised count="1">2017-09-17</revised> <bug>512356</bug> <access>local</access> <affected> <package name="app-forensics/chkrootkit" auto="yes" arch="*"> <unaffected range="ge">0.50</unaffected> <vulnerable range="lt">0.50</vulnerable> </package> </affected> <background> <p>chkrootkit is a tool to locally check for signs of a rootkit.</p> </background> <description> <p>When /tmp is mounted without the noexec option chkrootkit will execute files in /tmp with root privileges. </p> </description> <impact type="high"> <p>A local attacker could possibly execute arbitrary code with root privileges. </p> </impact> <workaround> <p>Users should mount /tmp with noexec option.</p> </workaround> <resolution> <p>All chkrootkit users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-forensics/chkrootkit-0.50" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0476"> CVE-2014-0476 </uri> </references> <metadata tag="requester" timestamp="2017-09-10T06:30:28Z">BlueKnight</metadata> <metadata tag="submitter" timestamp="2017-09-17T15:44:38Z">chrisadr</metadata> </glsa>