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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200711-32">
+ <title>Feynmf: Insecure temporary file creation</title>
+ <synopsis>
+ A vulnerability has been discovered in Feynmf allowing local users to
+ overwrite arbitrary files via a symlink attack.
+ </synopsis>
+ <product type="ebuild">feynmf</product>
+ <announced>2007-11-20</announced>
+ <revised count="01">2007-11-20</revised>
+ <bug>198231</bug>
+ <access>local</access>
+ <affected>
+ <package name="dev-tex/feynmf" auto="yes" arch="*">
+ <unaffected range="ge">1.08-r2</unaffected>
+ <vulnerable range="lt">1.08-r2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Feynmf is a combined LaTeX and Metafont package for easy drawing of
+ professional quality Feynman (and maybe other) diagrams.
+ </p>
+ </background>
+ <description>
+ <p>
+ Kevin B. McCarty discovered that the feynmf.pl script creates a
+ temporary "properly list" file at the location "$TMPDIR/feynmf$PID.pl",
+ where $PID is the process ID.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A local attacker could create symbolic links in the directory where the
+ temporary files are written, pointing to a valid file somewhere on the
+ filesystem that is writable by the user running Feynmf. When Feynmf
+ writes the temporary file, the target valid file would then be
+ overwritten with the contents of the Feynmf temporary file.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Feynmf users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=dev-tex/feynmf-1.08-r2"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5940">CVE-2007-5940</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-11-19T21:43:28Z">
+ p-y
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-11-19T21:44:51Z">
+ p-y
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-11-20T00:07:40Z">
+ rbu
+ </metadata>
+</glsa>