[OpenPKG-SA-2004.004] OpenPKG Security Advisory (libtool)

From: OpenPKG (openpkg_at_openpkg.org)
Date: 03/08/04

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    ________________________________________________________________________

    OpenPKG Security Advisory The OpenPKG Project
    http://www.openpkg.org/security.html http://www.openpkg.org
    openpkg-security@openpkg.org openpkg@openpkg.org
    OpenPKG-SA-2004.004 08-Mar-2004
    ________________________________________________________________________

    Package: libtool
    Vulnerability: insecure creation of temporary directory
    OpenPKG Specific: no

    Affected Releases: Affected Packages: Corrected Packages:
    OpenPKG CURRENT <= libtool-1.5.2-20040207 >= libtool-1.5.2-20040308
    OpenPKG 2.0 <= libtool-1.5.2-2.0.0 >= libtool-1.5.2-2.0.1
    OpenPKG 1.3 <= libtool-1.5-1.3.0 >= libtool-1.5-1.3.1

    Dependent Packages: none

    Description:
      According to a posting on Bugtraq [0], an issue regarding the insecure
      creation of a temporary directory exists in GNU libtool [1] versions
      before 1.5.2. Use of mkdir(1) along with option "-p" makes libtool
      vulnerable to symlink attacks. Stefan Nordhausen commited a fix that
      removes the use of option "-p" in version 1.5.2. Discussion on Bugtraq
      further indicates that an additional race condition issue exists in
      the same context using chmod(1), reported by Joseph S. Myers back in
      March 2000 [2]. The updated OpenPKG versions of libtool contain fixes
      for both issues.

      Please check whether you are affected by running "<prefix>/bin/rpm -q
      libtool". If you have the "libtool" package installed and its version
      is affected (see above), we recommend that you immediately upgrade it
      (see Solution). [3][4]

    Solution:
      Select the updated source RPM appropriate for your OpenPKG release
      [5][6], fetch it from the OpenPKG FTP service [7][8] or a mirror
      location, verify its integrity [9], build a corresponding binary RPM
      from it [3] and update your OpenPKG installation by applying the binary
      RPM [4]. For the current release OpenPKG 2.0, perform the following
      operations to permanently fix the security problem (for other releases
      adjust accordingly).

      $ ftp ftp.openpkg.org
      ftp> bin
      ftp> cd release/2.0/UPD
      ftp> get libtool-1.5.2-2.0.1.src.rpm
      ftp> bye
      $ <prefix>/bin/openpkg rpm -v --checksig libtool-1.5.2-2.0.1.src.rpm
      $ <prefix>/bin/openpkg rpm --rebuild libtool-1.5.2-2.0.1.src.rpm
      $ su -
      # <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/libtool-1.5.2-2.0.1.*.rpm
    ________________________________________________________________________

    References:
      [0] http://marc.theaimsgroup.com/?l=bugtraq&m=107577516526919&w=4
      [1] http://www.gnu.org/software/libtool/
      [2] http://www.geocrawler.com/mail/msg.php3?msg_id=3438808&list=405
      [3] http://www.openpkg.org/tutorial.html#regular-source
      [4] http://www.openpkg.org/tutorial.html#regular-binary
      [5] ftp://ftp.openpkg.org/release/1.3/UPD/libtool-1.5-1.3.1.src.rpm
      [6] ftp://ftp.openpkg.org/release/2.0/UPD/libtool-1.5.2-2.0.1.src.rpm
      [7] ftp://ftp.openpkg.org/release/1.3/UPD/
      [8] ftp://ftp.openpkg.org/release/2.0/UPD/
      [9] http://www.openpkg.org/security.html#signature
    ________________________________________________________________________

    For security reasons, this advisory was digitally signed with the
    OpenPGP public key "OpenPKG <openpkg@openpkg.org>" (ID 63C4CB9F) of the
    OpenPKG project which you can retrieve from http://pgp.openpkg.org and
    hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
    for details on how to verify the integrity of this advisory.
    ________________________________________________________________________

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