glsa-200501-30.xml


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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="200501-30">
  <title>CUPS: Stack overflow in included Xpdf code</title>
  <synopsis>
    CUPS includes Xpdf code and therefore is vulnerable to the recent stack
    overflow issue, potentially resulting in the remote execution of arbitrary
    code.
  </synopsis>
  <product type="ebuild">CUPS</product>
  <announced>January 22, 2005</announced>
  <revised>January 22, 2005: 01</revised>
  <bug>78249</bug>
  <access>remote</access>
  <affected>
    <package name="net-print/cups" auto="yes" arch="*">
      <unaffected range="ge">1.1.23-r1</unaffected>
      <vulnerable range="lt">1.1.23-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    The Common UNIX Printing System (CUPS) is a cross-platform print
    spooler. It makes use of Xpdf code to handle PDF files.
    </p>
  </background>
  <description>
    <p>
    The Decrypt::makeFileKey2 function in Xpdf's Decrypt.cc
    insufficiently checks boundaries when processing /Encrypt /Length tags
    in PDF files (GLSA 200501-28).
    </p>
  </description>
  <impact type="normal">
    <p>
    This issue could be exploited by a remote attacker to execute
    arbitrary code by sending a malicious print job to a CUPS spooler.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All CUPS users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=net-print/cups-1.1.23-r1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0064">CAN-2005-0064</uri>
    <uri link="/security/en/glsa/glsa-200501-28.xml">GLSA 200501-28</uri>
  </references>
  <metadata tag="submitter" timestamp="Fri, 21 Jan 2005 20:52:56 +0000">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="Fri, 21 Jan 2005 20:53:07 +0000">
    koon
  </metadata>
</glsa>