glsa-200708-02.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200708-02">
  <title>Xvid: Array indexing vulnerabilities</title>
  <synopsis>
    Several array indexing vulnerabilities were discovered in Xvid, possibly
    allowing for the remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">xvid</product>
  <announced>2007-08-08</announced>
  <revised count="01">2007-08-08</revised>
  <bug>183145</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/xvid" auto="yes" arch="*">
      <unaffected range="ge">1.1.3</unaffected>
      <vulnerable range="lt">1.1.3</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Xvid is a popular open source video codec licensed under the GPL.
    </p>
  </background>
  <description>
    <p>
    Trixter Jack discovered an array indexing error in the
    get_intra_block() function in the file src/bitstream/mbcoding.c. The
    get_inter_block_h263() and get_inter_block_mpeg() functions in the same
    file were also reported as vulnerable.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could exploit these vulnerabilities to execute arbitrary
    code by tricking a user or automated system into processing a malicious
    video file with an application that makes use of the Xvid library.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Xvid users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-libs/xvid-1.1.3"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3329">CVE-2007-3329</uri>
  </references>
  <metadata tag="requester" timestamp="2007-07-14T21:54:33Z">
    p-y
  </metadata>
  <metadata tag="submitter" timestamp="2007-07-15T18:56:27Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2007-07-16T07:58:51Z">
    p-y
  </metadata>
</glsa>