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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200501-31">
+  <title>teTeX, pTeX, CSTeX: Multiple vulnerabilities</title>
+  <synopsis>
+    teTeX, pTeX and CSTeX make use of vulnerable Xpdf code which may allow the
+    remote execution of arbitrary code. Furthermore, the xdvizilla script is
+    vulnerable to temporary file handling issues.
+  </synopsis>
+  <product type="ebuild">teTeX</product>
+  <announced>January 23, 2005</announced>
+  <revised>January 23, 2005: 01</revised>
+  <bug>75801</bug>
+  <access>remote and local</access>
+  <affected>
+    <package name="app-text/tetex" auto="yes" arch="*">
+      <unaffected range="ge">2.0.2-r5</unaffected>
+      <vulnerable range="lt">2.0.2-r5</vulnerable>
+    </package>
+    <package name="app-text/cstetex" auto="yes" arch="*">
+      <unaffected range="ge">2.0.2-r1</unaffected>
+      <vulnerable range="lt">2.0.2-r1</vulnerable>
+    </package>
+    <package name="app-text/ptex" auto="yes" arch="*">
+      <unaffected range="ge">3.1.4-r2</unaffected>
+      <vulnerable range="lt">3.1.4-r2</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    teTeX is a complete and open source TeX distribution. CSTeX is
+    another TeX distribution including Czech and Slovak support. pTeX is
+    another alternative that allows Japanese publishing with TeX. xdvizilla
+    is an auxiliary script used to integrate DVI file viewing in
+    Mozilla-based browsers.
+    </p>
+  </background>
+  <description>
+    <p>
+    teTeX, pTeX and CSTeX all make use of Xpdf code and may therefore
+    be vulnerable to the various overflows that were discovered in Xpdf
+    code (CAN-2004-0888, CAN-2004-0889, CAN-2004-1125 and CAN-2005-0064).
+    Furthermore, Javier Fernandez-Sanguino Pena discovered that the
+    xdvizilla script does not handle temporary files correctly.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    An attacker could design a malicious input file which, when
+    processed using one of the TeX distributions, could lead to the
+    execution of arbitrary code. Furthermore, a local attacker could create
+    symbolic links in the temporary files directory, pointing to a valid
+    file somewhere on the filesystem. When xdvizilla is called, this would
+    result in the file being overwritten with the rights of the user
+    running the script.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    There is no known workaround at this time.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    All teTeX users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=app-text/tetex-2.0.2-r5&quot;</code>
+    <p>
+    All CSTeX users should also upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=app-text/cstetex-2.0.2-r1&quot;</code>
+    <p>
+    Finally, all pTeX users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=app-text/ptex-3.1.4-r2&quot;</code>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0888">CAN-2004-0888</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0889">CAN-2004-0889</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1125">CAN-2004-1125</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0064">CAN-2005-0064</uri>
+  </references>
+  <metadata tag="requester" timestamp="Fri, 21 Jan 2005 10:36:38 +0000">
+    koon
+  </metadata>
+  <metadata tag="submitter" timestamp="Fri, 21 Jan 2005 22:41:12 +0000">
+    koon
+  </metadata>
+  <metadata tag="bugReady" timestamp="Sun, 23 Jan 2005 12:09:17 +0000">
+    koon
+  </metadata>
+</glsa>