glsa-202003-19.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202003-19">
  <title>PPP: Buffer overflow</title>
  <synopsis>A buffer overflow in PPP might allow a remote attacker to execute
    arbitrary code.
  </synopsis>
  <product type="ebuild">PPP</product>
  <announced>2020-03-15</announced>
  <revised count="1">2020-03-15</revised>
  <bug>710308</bug>
  <access>remote</access>
  <affected>
    <package name="net-dialup/ppp" auto="yes" arch="*">
      <unaffected range="ge">2.4.8</unaffected>
      <vulnerable range="lt">2.4.8</vulnerable>
    </package>
  </affected>
  <background>
    <p>PPP is a Unix implementation of the Point-to-Point Protocol.</p>
  </background>
  <description>
    <p>It was discovered that bounds check in PPP for the rhostname was
      improperly constructed in the EAP request and response functions.
    </p>
  </description>
  <impact type="high">
    <p>A remote attacker, by sending specially crafted authentication data,
      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 PPP users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-dialup/ppp-2.4.8"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-8597">CVE-2020-8597</uri>
  </references>
  <metadata tag="requester" timestamp="2020-03-15T02:58:39Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-03-15T03:04:09Z">whissi</metadata>
</glsa>