<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201203-20"> <title>Logwatch: Arbitrary code execution</title> <synopsis>A vulnerability in Logwatch might allow remote attackers to execute arbitrary code. </synopsis> <product type="ebuild">Logwatch</product> <announced>2012-03-28</announced> <revised count="1">2012-03-28</revised> <bug>356387</bug> <access>remote</access> <affected> <package name="sys-apps/logwatch" auto="yes" arch="*"> <unaffected range="ge">7.4.0</unaffected> <vulnerable range="lt">7.4.0</vulnerable> </package> </affected> <background> <p>Logwatch analyzes and reports on system logs.</p> </background> <description> <p>logwatch.pl does not properly sanitize log filenames against shell metacharacters before passing them to the "system()" function. </p> </description> <impact type="high"> <p>A remote attacker could pass a specially crafted log filename to Logwatch, possibly resulting in execution of arbitrary code with root privileges or a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Logwatch users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/logwatch-7.4.0" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1018">CVE-2011-1018</uri> </references> <metadata timestamp="2012-03-16T19:51:03Z" tag="requester">ackle</metadata> <metadata timestamp="2012-03-28T10:30:33Z" tag="submitter">ackle</metadata> </glsa>