<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200812-08"> <title>Mgetty: Insecure temporary file usage</title> <synopsis> Mgetty uses temporary files in an insecure manner, allowing for symlink attacks. </synopsis> <product type="ebuild">mgetty</product> <announced>December 06, 2008</announced> <revised>December 23, 2008: 02</revised> <bug>235806</bug> <access>local</access> <affected> <package name="net-dialup/mgetty" auto="yes" arch="*"> <unaffected range="ge">1.1.36-r3</unaffected> <vulnerable range="lt">1.1.36-r3</vulnerable> </package> </affected> <background> <p> Mgetty is a set of fax and voice modem programs. </p> </background> <description> <p> Dmitry E. Oboukhov reported that the "spooldir" directory in fax/faxspool.in is created in an insecure manner. </p> </description> <impact type="normal"> <p> A local attacker could exploit this vulnerability to overwrite arbitrary files with the privileges of the user running the application. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Mgetty users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-dialup/mgetty-1.1.36-r3"</code> </resolution> <references> <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4936">CVE-2008-4936</uri> </references> <metadata tag="requester" timestamp="Mon, 22 Sep 2008 12:40:45 +0000"> keytoaster </metadata> <metadata tag="submitter" timestamp="Tue, 23 Sep 2008 11:36:13 +0000"> p-y </metadata> <metadata tag="bugReady" timestamp="Tue, 23 Sep 2008 11:36:50 +0000"> p-y </metadata> </glsa>