glsa-200702-04.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200702-04">
  <title>RAR, UnRAR: Buffer overflow</title>
  <synopsis>
    RAR and UnRAR contain a buffer overflow allowing the execution of arbitrary
    code.
  </synopsis>
  <product type="ebuild">rar, unrar</product>
  <announced>February 13, 2007</announced>
  <revised>February 14, 2007: 02</revised>
  <bug>166440</bug>
  <access>remote</access>
  <affected>
    <package name="app-arch/rar" auto="yes" arch="*">
      <unaffected range="ge">3.7.0_beta1</unaffected>
      <vulnerable range="lt">3.7.0_beta1</vulnerable>
    </package>
    <package name="app-arch/unrar" auto="yes" arch="*">
      <unaffected range="ge">3.7.3</unaffected>
      <vulnerable range="lt">3.7.3</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    RAR and UnRAR provide command line interfaces for compressing and
    decompressing RAR files.
    </p>
  </background>
  <description>
    <p>
    RAR and UnRAR contain a boundary error when processing
    password-protected archives that could result in a stack-based buffer
    overflow.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user to process a specially crafted
    password-protected archive and execute arbitrary code with the rights
    of the user uncompressing the archive.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All UnRAR users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=app-arch/unrar-3.7.3&quot;</code>
    <p>
    All RAR users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=app-arch/rar-3.7.0_beta1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0855">CVE-2007-0855</uri>
  </references>
  <metadata tag="requester" timestamp="Mon, 12 Feb 2007 15:25:34 +0000">
    falco
  </metadata>
  <metadata tag="submitter" timestamp="Mon, 12 Feb 2007 23:14:14 +0000">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="Tue, 13 Feb 2007 23:24:39 +0000">
    falco
  </metadata>
</glsa>