metadata/glsa/glsa-200412-11.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200412-11">
  <title>Cscope: Insecure creation of temporary files</title>
  <synopsis>
    Cscope is vulnerable to symlink attacks, potentially allowing a local user
    to overwrite arbitrary files.
  </synopsis>
  <product type="ebuild">cscope</product>
  <announced>2004-12-16</announced>
  <revised>2004-12-16: 01</revised>
  <bug>71595</bug>
  <access>local</access>
  <affected>
    <package name="dev-util/cscope" auto="yes" arch="*">
      <unaffected range="ge">15.5-r2</unaffected>
      <vulnerable range="lt">15.5-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Cscope is a developer utility used to browse and manage source
    code.
    </p>
  </background>
  <description>
    <p>
    Cscope creates temporary files in world-writable directories with
    predictable names.
    </p>
  </description>
  <impact type="normal">
    <p>
    A local attacker could create symbolic links in the temporary
    files directory, pointing to a valid file somewhere on the filesystem.
    When Cscope is executed, this would result in the file being
    overwritten with the rights of the user running the utility, which
    could be the root user.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Cscope users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-util/cscope-15.5-r2"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0996">CAN-2004-0996</uri>
    <uri link="http://www.securityfocus.com/archive/1/381443">BugTraq Advisory</uri>
  </references>
  <metadata tag="requester" timestamp="2004-11-29T16:19:40Z">
    lewk
  </metadata>
  <metadata tag="submitter" timestamp="2004-11-29T17:43:04Z">
    lewk
  </metadata>
  <metadata tag="bugReady" timestamp="2004-12-16T20:27:56Z">
    lewk
  </metadata>
</glsa>