glsa-200505-18.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200505-18">
  <title>Net-SNMP: fixproc insecure temporary file creation</title>
  <synopsis>
    Net-SNMP creates temporary files in an insecure manner, possibly allowing
    the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">net-snmp</product>
  <announced>2005-05-23</announced>
  <revised>2006-05-22: 02</revised>
  <bug>91792</bug>
  <access>local</access>
  <affected>
    <package name="net-analyzer/net-snmp" auto="yes" arch="*">
      <unaffected range="ge">5.2.1-r1</unaffected>
      <vulnerable range="lt">5.2.1-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Net-SNMP is a suite of applications used to implement the Simple
    Network Management Protocol.
    </p>
  </background>
  <description>
    <p>
    The fixproc application of Net-SNMP creates temporary files with
    predictable filenames.
    </p>
  </description>
  <impact type="normal">
    <p>
    A malicious local attacker could exploit a race condition to change the
    content of the temporary files before they are executed by fixproc,
    possibly leading to the execution of arbitrary code. A local attacker
    could also create symbolic links in the temporary files directory,
    pointing to a valid file somewhere on the filesystem. When fixproc is
    executed, this would result in the file being overwritten.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Net-SNMP users should upgrade to the latest available version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-analyzer/net-snmp-5.2.1-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1740">CVE-2005-1740</uri>
  </references>
  <metadata tag="requester" timestamp="2005-05-22T14:27:59Z">
    vorlon078
  </metadata>
  <metadata tag="bugReady" timestamp="2005-05-22T15:33:11Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2005-05-22T23:22:24Z">
    DerCorny
  </metadata>
</glsa>