metadata/glsa/glsa-202104-06.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202104-06">
  <title>libTIFF: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in LibTIFF, the worst of
    which could result in the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libtiff</product>
  <announced>2021-04-30</announced>
  <revised count="1">2021-04-30</revised>
  <bug>775125</bug>
  <access>local, remote</access>
  <affected>
    <package name="media-libs/tiff" auto="yes" arch="*">
      <unaffected range="ge">4.2.0</unaffected>
      <vulnerable range="lt">4.2.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>The TIFF library contains encoding and decoding routines for the Tag
      Image File Format. It is called by numerous programs, including GNOME and
      KDE applications, to interpret TIFF images.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in LibTIFF. Please review
      the referenced CVE identifiers for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by enticing the user to process a specially crafted
      TIFF file, could possibly execute arbitrary code with the privileges of
      the process, or cause a Denial of Service condition.
    </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-4.2.0"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35521">CVE-2020-35521</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35522">CVE-2020-35522</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35523">CVE-2020-35523</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35524">CVE-2020-35524</uri>
  </references>
  <metadata tag="requester" timestamp="2021-04-30T23:10:58Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2021-04-30T23:46:04Z">whissi</metadata>
</glsa>