glsa-200603-18.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200603-18">
  <title>Pngcrush: Buffer overflow</title>
  <synopsis>
    Pngcrush is vulnerable to a buffer overflow which could potentially lead to
    the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">pngcrush</product>
  <announced>2006-03-21</announced>
  <revised count="01">2006-03-21</revised>
  <bug>123286</bug>
  <access>remote</access>
  <affected>
    <package name="media-gfx/pngcrush" auto="yes" arch="*">
      <unaffected range="ge">1.6.2</unaffected>
      <vulnerable range="lt">1.6.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Pngcrush is an optimizer for PNG files.
    </p>
  </background>
  <description>
    <p>
    Carsten Lohrke of Gentoo Linux reported that Pngcrush contains a
    vulnerable version of zlib (GLSA 200507-19).
    </p>
  </description>
  <impact type="normal">
    <p>
    By creating a specially crafted data stream, attackers can
    overwrite data structures for applications that use Pngcrush, resulting
    in a Denial of Service and potentially arbitrary code execution.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Pngcrush users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-gfx/pngcrush-1.6.2"</code>
  </resolution>
  <references>
    <uri link="https://www.gentoo.org/security/en/glsa/glsa-200507-19.xml">GLSA 200507-19</uri>
    <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1849">CVE-2005-1849</uri>
  </references>
  <metadata tag="requester" timestamp="2006-02-22T18:06:23Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2006-03-03T17:03:15Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2006-03-18T02:00:13Z">
    adir
  </metadata>
</glsa>