glsa-200607-03.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200607-03">
  <title>libTIFF: Multiple buffer overflows</title>
  <synopsis>
    libTIFF contains buffer overflows that could result in arbitrary code
    execution.
  </synopsis>
  <product type="ebuild">tiff</product>
  <announced>2006-07-09</announced>
  <revised count="01">2006-07-09</revised>
  <bug>135881</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/tiff" auto="yes" arch="*">
      <unaffected range="ge">3.8.2-r1</unaffected>
      <vulnerable range="lt">3.8.2-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    libTIFF provides support for reading and manipulating TIFF images.
    </p>
  </background>
  <description>
    <p>
    A buffer overflow has been found in the t2p_write_pdf_string function
    in tiff2pdf, which can been triggered with a TIFF file containing a
    DocumentName tag with UTF-8 characters. An additional buffer overflow
    has been found in the handling of the parameters in tiffsplit.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user to load a specially crafted TIFF
    file, resulting in the possible execution of arbitrary code.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All libTIFF users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-libs/tiff-3.8.2-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2193">CVE-2006-2193</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2656">CVE-2006-2656</uri>
  </references>
  <metadata tag="submitter" timestamp="2006-07-05T16:38:15Z">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="2006-07-05T16:38:38Z">
    falco
  </metadata>
</glsa>