metadata/glsa/glsa-200809-07.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200809-07">
  <title>libTIFF: User-assisted execution of arbitrary code</title>
  <synopsis>
    Multiple buffer underflow vulnerabilities in libTIFF may allow for the
    remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">tiff</product>
  <announced>2008-09-08</announced>
  <revised count="01">2008-09-08</revised>
  <bug>234080</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/tiff" auto="yes" arch="*">
      <unaffected range="ge">3.8.2-r4</unaffected>
      <vulnerable range="lt">3.8.2-r4</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    libTIFF provides support for reading and manipulating TIFF (Tagged
    Image File Format) images.
    </p>
  </background>
  <description>
    <p>
    Drew Yao (Apple Product Security) and Clay Wood reported multiple
    buffer underflows in the LZWDecode() and LZWDecodeCompat() functions in
    tif_lzw.c when processing TIFF files.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user to open a specially crafted TIFF
    file with an application making use of libTIFF, possibly resulting in
    the remote execution of arbitrary code with the privileges of the user
    running the application.
    </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-r4"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2327">CVE-2008-2327</uri>
  </references>
  <metadata tag="requester" timestamp="2008-09-02T17:01:52Z">
    keytoaster
  </metadata>
  <metadata tag="submitter" timestamp="2008-09-05T22:08:51Z">
    p-y
  </metadata>
  <metadata tag="bugReady" timestamp="2008-09-05T22:08:59Z">
    p-y
  </metadata>
</glsa>