glsa-200904-08.xml


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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200904-08">
  <title>OpenSSL: Denial of Service</title>
  <synopsis>
    An error in OpenSSL might allow for a Denial of Service when printing
    certificate details.
  </synopsis>
  <product type="ebuild">openssl</product>
  <announced>April 07, 2009</announced>
  <revised>April 07, 2009: 01</revised>
  <bug>263751</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/openssl" auto="yes" arch="*">
      <unaffected range="ge">0.9.8k</unaffected>
      <vulnerable range="lt">0.9.8k</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
    (SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
    purpose cryptography library.
    </p>
  </background>
  <description>
    <p>
    The ASN1_STRING_print_ex() function does not properly check the
    provided length of a BMPString or UniversalString, leading to an
    invalid memory access.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user or automated system to print a
    specially crafted certificate, possibly leading to a Denial of Service.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All OpenSSL users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/openssl-0.9.8k&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0590">CVE-2009-0590</uri>
  </references>
  <metadata tag="requester" timestamp="Sat, 04 Apr 2009 13:16:21 +0000">
    rbu
  </metadata>
  <metadata tag="submitter" timestamp="Sat, 04 Apr 2009 13:41:11 +0000">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="Sat, 04 Apr 2009 13:41:45 +0000">
    rbu
  </metadata>
</glsa>