glsa-202008-06.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202008-06">
  <title>iproute2: Denial of service</title>
  <synopsis>A use-after-free was found in iproute2, possibly allowing a Denial
    of Service condition. 
  </synopsis>
  <product type="ebuild">iproute2</product>
  <announced>2020-08-08</announced>
  <revised count="1">2020-08-08</revised>
  <bug>722144</bug>
  <access>remote</access>
  <affected>
    <package name="sys-apps/iproute2" auto="yes" arch="*">
      <unaffected range="ge">5.1.0</unaffected>
      <vulnerable range="lt">5.1.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>iproute2 is a set of tools for managing Linux network routing and
      advanced features.
    </p>
  </background>
  <description>
    <p>iproute2 was found to contain a use-after-free in get_netnsid_from_name
      in ip/ipnetns.c.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker, able to feed iproute2 crafted data, may be able to
      cause a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All iproute2 users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-apps/iproute2-5.1.0"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-20795">CVE-2019-20795</uri>
  </references>
  <metadata tag="requester" timestamp="2020-08-03T07:01:06Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-08-08T04:18:42Z">sam_c</metadata>
</glsa>