[OpenPKG-SA-2005.007] OpenPKG Security Advisory (cvs)

From: OpenPKG (openpkg_at_openpkg.org)
Date: 06/10/05

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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-2005.007 10-Jun-2005
    ________________________________________________________________________

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

    Affected Releases: Affected Packages: Corrected Packages:
    OpenPKG CURRENT <= cvs-1.12.11-20050408 >= cvs-1.12.11-20050504
    OpenPKG 2.3 <= cvs-1.12.9-2.3.0 >= cvs-1.12.9-2.3.1
    OpenPKG 2.2 <= cvs-1.12.9-2.2.0 >= cvs-1.12.9-2.2.1

    Dependent Packages: none

    Description:
      According to a Debian bug report [0], a Denial of Service (DoS)
      vulnerability exists in the embedded ZLib [1] compression logic of
      the Concurrent Versions Systems (CVS). The problem involves incorrect
      error handling in the inflate() and inflateBack() functions. The
      Common Vulnerabilities and Exposures (CVE) project assigned the
      identifier CAN-2004-0797 [2] to the problem.

      Please check whether you are affected by running "<prefix>/bin/openpkg
      rpm -q cvs". If you have the "cvs" 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 2.3, perform the
      following operations to permanently fix the security problem (for
      other releases adjust accordingly).

      $ ftp ftp.openpkg.org
      ftp> bin
      ftp> cd release/2.3/UPD
      ftp> get cvs-1.12.9-2.3.1.src.rpm
      ftp> bye
      $ <prefix>/bin/openpkg rpm -v --checksig cvs-1.12.9-2.3.1.src.rpm
      $ <prefix>/bin/openpkg rpm --rebuild cvs-1.12.9-2.3.1.src.rpm
      $ su -
      # <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/cvs-1.12.9-2.3.1.*.rpm
    ________________________________________________________________________

    References:
      [0] http://bugs.debian.org/252253
      [1] http://www.gzip.org/zlib/
      [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0797
      [3] http://www.openpkg.org/tutorial.html#regular-source
      [4] http://www.openpkg.org/tutorial.html#regular-binary
      [5] ftp://ftp.openpkg.org/release/2.3/UPD/cvs-1.12.9-2.3.1.src.rpm
      [6] ftp://ftp.openpkg.org/release/2.2/UPD/cvs-1.12.9-2.2.1.src.rpm
      [7] ftp://ftp.openpkg.org/release/2.3/UPD/
      [8] ftp://ftp.openpkg.org/release/2.2/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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