glsa-201701-23.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201701-23">
  <title>Botan: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in Botan, the worst of
    which might allow remote attackers to obtain ECDSA secret keys.
  </synopsis>
  <product type="ebuild">botan</product>
  <announced>2017-01-11</announced>
  <revised count="1">2017-01-11</revised>
  <bug>581324</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/botan" auto="yes" arch="*">
      <unaffected range="ge">1.10.13</unaffected>
      <vulnerable range="lt">1.10.13</vulnerable>
    </package>
  </affected>
  <background>
    <p>Botan (Japanese for peony) is a cryptography library written in C++11.</p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in Botan. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker might obtain ECDSA secret keys via a timing
      side-channel attack or could possibly bypass TLS policy.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Botan users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/botan-1.10.13"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2849">CVE-2016-2849</uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2850">CVE-2016-2850</uri>
  </references>
  <metadata tag="requester" timestamp="2017-01-09T17:45:34Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2017-01-11T12:23:40Z">whissi</metadata>
</glsa>