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

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Message-ID: <OpenPKG-SA-2004.004@openpkg.org>
From: openpkg at openpkg.org (OpenPKG)
Subject: [OpenPKG-SA-2004.004] OpenPKG Security Advisory (libtool)

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________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security@...npkg.org                         openpkg@...npkg.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@...npkg.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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