glsa-200903-13.xml


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

<glsa id="200903-13">
  <title>MPFR: Denial of Service</title>
  <synopsis>
    Multiple buffer overflows in MPFR might lead to a Denial of Service.
  </synopsis>
  <product type="ebuild">mpfr</product>
  <announced>March 09, 2009</announced>
  <revised>March 09, 2009: 01</revised>
  <bug>260968</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/mpfr" auto="yes" arch="*">
      <unaffected range="ge">2.4.1</unaffected>
      <vulnerable range="lt">2.4.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    MPFR is a library for multiple-precision floating-point computations
    with exact rounding.
    </p>
  </background>
  <description>
    <p>
    Multiple buffer overflows have been reported in the mpfr_snprintf() and
    mpfr_vsnprintf() functions.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote user could exploit the vulnerability to cause a Denial of
    Service in an application using MPFR via unknown vectors.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All MPRF users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/mpfr-2.4.1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0757">CVE-2009-0757</uri>
  </references>
  <metadata tag="requester" timestamp="Sat, 07 Mar 2009 16:35:53 +0000">
    rbu
  </metadata>
  <metadata tag="submitter" timestamp="Sat, 07 Mar 2009 18:14:49 +0000">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="Sat, 07 Mar 2009 18:14:57 +0000">
    rbu
  </metadata>
</glsa>