glsa-200901-15.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200901-15">
  <title>Net-SNMP: Denial of service</title>
  <synopsis>
    A vulnerability in Net-SNMP could lead to a Denial of Service.
  </synopsis>
  <product type="ebuild">net-snmp</product>
  <announced>2009-01-21</announced>
  <revised count="01">2009-01-21</revised>
  <bug>245306</bug>
  <access>remote</access>
  <affected>
    <package name="net-analyzer/net-snmp" auto="yes" arch="*">
      <unaffected range="ge">5.4.2.1</unaffected>
      <vulnerable range="lt">5.4.2.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Net-SNMP is a collection of tools for generating and retrieving SNMP
    data.
    </p>
  </background>
  <description>
    <p>
    Oscar Mira-Sanchez reported an integer overflow in the
    netsnmp_create_subtree_cache() function in agent/snmp_agent.c when
    processing GETBULK requests.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could send a specially crafted request to crash the
    SNMP server. NOTE: The attacker needs to know the community string to
    exploit this vulnerability.
    </p>
  </impact>
  <workaround>
    <p>
    Restrict access to trusted entities only.
    </p>
  </workaround>
  <resolution>
    <p>
    All Net-SNMP users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-analyzer/net-snmp-5.4.2.1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4309">CVE-2008-4309</uri>
  </references>
  <metadata tag="requester" timestamp="2009-01-11T17:57:13Z">
    p-y
  </metadata>
  <metadata tag="submitter" timestamp="2009-01-12T22:12:01Z">
    p-y
  </metadata>
  <metadata tag="bugReady" timestamp="2009-01-12T22:12:09Z">
    p-y
  </metadata>
</glsa>