glsa-200805-23.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200805-23">
  <title>Samba: Heap-based buffer overflow</title>
  <synopsis>
    A heap-based buffer overflow vulnerability was found in Samba, allowing for
    the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">samba</product>
  <announced>2008-05-29</announced>
  <revised count="01">2008-05-29</revised>
  <bug>222299</bug>
  <access>remote</access>
  <affected>
    <package name="net-fs/samba" auto="yes" arch="*">
      <unaffected range="ge">3.0.28a-r1</unaffected>
      <vulnerable range="lt">3.0.28a-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Samba is a suite of SMB and CIFS client/server programs.
    </p>
  </background>
  <description>
    <p>
    Alin Rad Pop (Secunia Research) reported a vulnerability in Samba
    within the receive_smb_raw() function in the file lib/util_sock.c when
    parsing SMB packets, possibly leading to a heap-based buffer overflow
    via an overly large SMB packet.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could possibly exploit this vulnerability by enticing
    a user to connect to a malicious server or by sending specially crafted
    packets to an nmbd server configured as a local or domain master
    browser, resulting in the execution of arbitrary code.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Samba users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-fs/samba-3.0.28a-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1105">CVE-2008-1105</uri>
  </references>
  <metadata tag="requester" timestamp="2008-05-27T15:20:30Z">
    vorlon
  </metadata>
  <metadata tag="submitter" timestamp="2008-05-27T21:23:53Z">
    keytoaster
  </metadata>
  <metadata tag="bugReady" timestamp="2008-05-29T13:07:54Z">
    p-y
  </metadata>
</glsa>