[Full-Disclosure] [OpenPKG-SA-2004.011] OpenPKG Security Advisory (sharutils)

From: OpenPKG (openpkg_at_openpkg.org)
Date: 04/07/04

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    To: full-disclosure@lists.netsys.com
    Date: Wed, 7 Apr 2004 22:24:13 +0200
    
    

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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-2004.011 07-Apr-2004
    ________________________________________________________________________

    Package: sharutils
    Vulnerability: arbitrary code execution
    OpenPKG Specific: no

    Affected Releases: Affected Packages: Corrected Packages:
    OpenPKG CURRENT <= sharutils-4.2.1-20011201 >= sharutils-4.2.1-20040407
    OpenPKG 2.0 <= sharutils-4.2.1-2.0.0 >= sharutils-4.2.1-2.0.1
    OpenPKG 1.3 <= sharutils-4.2.1-1.3.0 >= sharutils-4.2.1-1.3.1

    Dependent Packages: none

    Description:
      According to a posting on Bugtraq [1], Shaun Colley discovered and
      researched a stack-based buffer overflow vulnerability which exists in
      the GNU Sharutils [2] due to lack of bounds checking when handling the
      '-o' command-line option.

      Please check whether you are affected by running "<prefix>/bin/rpm
      -q sharutils". If you have the "sharutils" 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 most recent 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 sharutils-4.2.1-2.0.1.src.rpm
      ftp> bye
      $ <prefix>/bin/openpkg rpm -v --checksig sharutils-4.2.1-2.0.1.src.rpm
      $ <prefix>/bin/openpkg rpm --rebuild sharutils-4.2.1-2.0.1.src.rpm
      $ su -
      # <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/sharutils-4.2.1-2.0.1.*.rpm
    ________________________________________________________________________

    References:
      [1] http://www.securityfocus.com/archive/1/359639
      [2] http://www.gnu.org/software/sharutils/
      [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/sharutils-4.2.1-1.3.1.src.rpm
      [6] ftp://ftp.openpkg.org/release/2.0/UPD/sharutils-4.2.1-2.0.1.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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