glsa-202007-49.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202007-49">
  <title>Mozilla Network Security Service (NSS): Information disclosure</title>
  <synopsis>NSS has an information disclosure vulnerability when handling DSA
    keys.
  </synopsis>
  <product type="ebuild">nss</product>
  <announced>2020-07-27</announced>
  <revised count="1">2020-07-27</revised>
  <bug>726842</bug>
  <access>local, remote</access>
  <affected>
    <package name="dev-libs/nss" auto="yes" arch="*">
      <unaffected range="ge">3.52.1</unaffected>
      <vulnerable range="lt">3.52.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>The Mozilla Network Security Service (NSS) is a library implementing
      security features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS
      #12, S/MIME and X.509 certificates.
    </p>
  </background>
  <description>
    <p>NSS was found to not always perform constant-time operations when
      working with DSA key material.
    </p>
  </description>
  <impact type="low">
    <p>An attacker may be able to obtain information about a DSA private key.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All NSS users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/nss-3.52.1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-12399">CVE-2020-12399</uri>
  </references>
  <metadata tag="requester" timestamp="2020-07-26T16:09:23Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-07-27T01:25:27Z">sam_c</metadata>
</glsa>