glsa-200703-12.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200703-12">
  <title>SILC Server: Denial of service</title>
  <synopsis>
    SILC Server is affected by a Denial of Service vulnerability.
  </synopsis>
  <product type="ebuild">silc-server</product>
  <announced>2007-03-14</announced>
  <revised count="01">2007-03-14</revised>
  <bug>169599</bug>
  <access>remote</access>
  <affected>
    <package name="net-im/silc-server" auto="yes" arch="*">
      <unaffected range="ge">1.0.2-r1</unaffected>
      <vulnerable range="lt">1.0.2-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    SILC Server is a server for the Secure Internet Live Conferencing
    (SILC) protocol.
    </p>
  </background>
  <description>
    <p>
    Frank Benkstein discovered a possible NULL pointer dereference in
    apps/silcd/command.c if a new channel is created without specifying a
    valid hmac or cipher algorithm name.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could cause the server to crash, resulting in a
    Denial of Service.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All SILC Server users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-im/silc-server-1.0.2-r1"</code>
  </resolution>
  <references/>
  <metadata tag="requester" timestamp="2007-03-07T14:35:02Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2007-03-07T14:57:46Z">
    vorlon
  </metadata>
  <metadata tag="submitter" timestamp="2007-03-07T15:20:03Z">
    vorlon
  </metadata>
</glsa>