glsa-200512-15.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200512-15">
  <title>rssh: Privilege escalation</title>
  <synopsis>
    Local users could gain root privileges by chrooting into arbitrary
    directories.
  </synopsis>
  <product type="ebuild">rssh</product>
  <announced>2005-12-27</announced>
  <revised count="01">2005-12-27</revised>
  <bug>115082</bug>
  <access>local</access>
  <affected>
    <package name="app-shells/rssh" auto="yes" arch="*">
      <unaffected range="ge">2.3.0</unaffected>
      <vulnerable range="lt">2.3.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    rssh is a restricted shell, allowing only a few commands like scp
    or sftp. It is often used as a complement to OpenSSH to provide limited
    access to users.
    </p>
  </background>
  <description>
    <p>
    Max Vozeler discovered that the rssh_chroot_helper command allows
    local users to chroot into arbitrary directories.
    </p>
  </description>
  <impact type="high">
    <p>
    A local attacker could exploit this vulnerability to gain root
    privileges by chrooting into arbitrary directories.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All rssh users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-shells/rssh-2.3.0"</code>
  </resolution>
  <references>
    <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3345">CVE-2005-3345</uri>
    <uri link="http://www.pizzashack.org/rssh/security.shtml">rssh security announcement</uri>
  </references>
  <metadata tag="requester" timestamp="2005-12-23T10:25:35Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2005-12-25T13:06:13Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2005-12-26T13:28:20Z">
    DerCorny
  </metadata>
</glsa>