<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200502-22">
  <title>wpa_supplicant: Buffer overflow vulnerability</title>
  <synopsis>
    wpa_supplicant contains a buffer overflow that could lead to a Denial of
    Service.
  </synopsis>
  <product type="ebuild">wpa_supplicant</product>
  <announced>2005-02-16</announced>
  <revised count="02">2006-05-22</revised>
  <bug>81993</bug>
  <access>remote</access>
  <affected>
    <package name="net-wireless/wpa_supplicant" auto="yes" arch="*">
      <unaffected range="ge">0.2.7</unaffected>
      <vulnerable range="lt">0.2.7</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE
    802.11i / RSN).
    </p>
  </background>
  <description>
    <p>
    wpa_supplicant contains a possible buffer overflow due to the lacking
    validation of received EAPOL-Key frames.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could cause the crash of wpa_supplicant using a specially
    crafted packet.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All wpa_supplicant users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-wireless/wpa_supplicant-0.2.7"</code>
  </resolution>
  <references>
    <uri link="http://lists.shmoo.com/pipermail/hostap/2005-February/009465.html">wpa_supplicant Announcement</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0470">CVE-2005-0470</uri>
  </references>
  <metadata tag="requester" timestamp="2005-02-14T18:34:56Z">
    jaervosz
  </metadata>
  <metadata tag="bugReady" timestamp="2005-02-14T20:11:49Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2005-02-14T21:06:18Z">
    vorlon078
  </metadata>
</glsa>
