metadata/glsa/glsa-200611-23.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200611-23">
  <title>Mono: Insecure temporary file creation</title>
  <synopsis>
    Mono is vulnerable to linking attacks, potentially allowing a local user to
    overwrite arbitrary files.
  </synopsis>
  <product type="ebuild">mono</product>
  <announced>2006-11-28</announced>
  <revised>2006-11-28: 01</revised>
  <bug>150264</bug>
  <access>local</access>
  <affected>
    <package name="dev-lang/mono" auto="yes" arch="*">
      <unaffected range="ge">1.1.13.8.1</unaffected>
      <vulnerable range="lt">1.1.13.8.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Mono provides the necessary software to develop and run .NET client and
    server applications.
    </p>
  </background>
  <description>
    <p>
    Sebastian Krahmer of the SuSE Security Team discovered that the
    System.CodeDom.Compiler classes of Mono create temporary files with
    insecure permissions.
    </p>
  </description>
  <impact type="normal">
    <p>
    A local attacker could create links in the temporary file directory,
    pointing to a valid file somewhere on the filesystem. When an affected
    class is called, this could 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 Mono users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-lang/mono-1.1.13.8.1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5072">CVE-2006-5072</uri>
  </references>
  <metadata tag="requester" timestamp="2006-11-24T09:48:51Z">
    jaervosz
  </metadata>
  <metadata tag="submitter" timestamp="2006-11-27T17:16:01Z">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="2006-11-28T12:13:57Z">
    falco
  </metadata>
</glsa>