glsa-200606-04.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200606-04">
  <title>Tor: Several vulnerabilities</title>
  <synopsis>
    Tor is vulnerable to a possible buffer overflow, a Denial of Service,
    information disclosure and information leak.
  </synopsis>
  <product type="ebuild">tor</product>
  <announced>2006-06-07</announced>
  <revised>2006-09-05: 02</revised>
  <bug>134329</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/tor" auto="yes" arch="*">
      <unaffected range="ge">0.1.1.20</unaffected>
      <unaffected range="rge">0.1.0.18</unaffected>
      <vulnerable range="lt">0.1.1.20</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Tor is an implementation of second generation Onion Routing, a
    connection-oriented anonymizing communication service.
    </p>
  </background>
  <description>
    <p>
    Some integer overflows exist when adding elements to the smartlists.
    Non-printable characters received from the network are not properly
    sanitised before being logged. There are additional unspecified bugs in
    the directory server and in the internal circuits.
    </p>
  </description>
  <impact type="normal">
    <p>
    The possible buffer overflow may allow a remote attacker to execute
    arbitrary code on the server by sending large inputs. The other
    vulnerabilities can lead to a Denial of Service, a lack of logged
    information, or some information disclosure.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Tor users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose net-misc/tor</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0414">CVE-2006-0414</uri>
    <uri link="https://tor.eff.org/cvs/tor/ChangeLog">Tor ChangeLog</uri>
  </references>
  <metadata tag="requester" timestamp="2006-06-01T07:05:28Z">
    falco
  </metadata>
  <metadata tag="submitter" timestamp="2006-06-01T17:37:03Z">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="2006-06-05T17:15:10Z">
    falco
  </metadata>
</glsa>