[OpenPKG-SA-2003.049] OpenPKG Security Advisory (zebra)

From: OpenPKG (openpkg_at_openpkg.org)
Date: 11/25/03

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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-2003.049 25-Nov-2003
    ________________________________________________________________________

    Package: zebra
    Vulnerability: denial of service
    OpenPKG Specific: no

    Affected Releases: Affected Packages: Corrected Packages:
    OpenPKG CURRENT <= zebra-0.93b-20031001 >= zebra-0.93b-20031113
    OpenPKG 1.3 <= zebra-0.93b-1.3.0 >= zebra-0.93b-1.3.1
    OpenPKG 1.2 <= zebra-0.93b-1.2.0 >= zebra-0.93b-1.2.1

    Dependent Packages: none

    Description:
      Jonny Robertson reported [0] that Zebra can be remotely crashed if a
      remote attacker can connect to the Zebra telnet management ports. The
      Common Vulnerabilities and Exposures (CVE) project assigned the id
      CAN-2003-0795 [1] to the problem.

      Herbert Xu reported [2] that Zebra can accept spoofed messages sent
      on the kernel netlink interface by other users on the local machine.
      The Common Vulnerabilities and Exposures (CVE) project assigned the id
      CAN-2003-0858 [3] to the problem.

      Please check whether you are affected by running "<prefix>/bin/rpm -q
      zebra". If you have the "zebra" package installed and its version is
      affected (see above), we recommend that you immediately upgrade it
      (see Solution). [4][5]

    Solution:
      Select the updated source RPM appropriate for your OpenPKG release
      [6][7], fetch it from the OpenPKG FTP service [8][9] or a mirror
      location, verify its integrity [10], build a corresponding binary
      RPM from it [4] and update your OpenPKG installation by applying the
      binary RPM [5]. For the current release OpenPKG 1.3, perform the
      following operations to permanently fix the security problem (for
      other releases adjust accordingly).

      $ ftp ftp.openpkg.org
      ftp> bin
      ftp> cd release/1.3/UPD
      ftp> get zebra-0.93b-1.3.1.src.rpm
      ftp> bye
      $ <prefix>/bin/rpm -v --checksig zebra-0.93b-1.3.1.src.rpm
      $ <prefix>/bin/rpm --rebuild zebra-0.93b-1.3.1.src.rpm
      $ su -
      # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/zebra-0.93b-1.3.1.*.rpm
    ________________________________________________________________________

    References:
      [0] http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=107140
      [1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0795
      [2] http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=108571
      [3] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0858
      [4] http://www.openpkg.org/tutorial.html#regular-source
      [5] http://www.openpkg.org/tutorial.html#regular-binary
      [6] ftp://ftp.openpkg.org/release/1.2/UPD/zebra-0.93b-1.2.1.src.rpm
      [7] ftp://ftp.openpkg.org/release/1.3/UPD/zebra-0.93b-1.3.1.src.rpm
      [8] ftp://ftp.openpkg.org/release/1.2/UPD/
      [9] ftp://ftp.openpkg.org/release/1.3/UPD/
      [10] 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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