glsa-200510-19.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200510-19">
  <title>cURL: NTLM username stack overflow</title>
  <synopsis>
    cURL is vulnerable to a buffer overflow which could lead to the execution
    of arbitrary code.
  </synopsis>
  <product type="ebuild">cURL</product>
  <announced>2005-10-22</announced>
  <revised count="01">2005-10-22</revised>
  <bug>109097</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/curl" auto="yes" arch="*">
      <unaffected range="ge">7.15.0</unaffected>
      <vulnerable range="lt">7.15.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    cURL is a command line tool and library for transferring files via
    many different protocols. It supports NTLM authentication to retrieve
    files from Windows-based systems.
    </p>
  </background>
  <description>
    <p>
    iDEFENSE reported that insufficient bounds checking on a memcpy()
    of the supplied NTLM username can result in a stack overflow.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could setup a malicious server and entice an
    user to connect to it using a cURL client, potentially leading to the
    execution of arbitrary code with the permissions of the user running
    cURL.
    </p>
  </impact>
  <workaround>
    <p>
    Disable NTLM authentication by not using the --anyauth or --ntlm
    options when using cURL (the command line version). Workarounds for
    programs that use the cURL library depend on the configuration options
    presented by those programs.
    </p>
  </workaround>
  <resolution>
    <p>
    All cURL users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-misc/curl-7.15.0"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3185">CVE-2005-3185</uri>
    <uri link="http://www.idefense.com/application/poi/display?id=322&amp;type=vulnerabilities">iDefense Security Advisory 10.13.05</uri>
  </references>
  <metadata tag="submitter" timestamp="2005-10-21T09:04:01Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2005-10-21T09:04:50Z">
    koon
  </metadata>
</glsa>