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OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
[EMAIL PROTECTED]                         [EMAIL PROTECTED]
OpenPKG-SA-2003.002                                          16-Jan-2003
________________________________________________________________________

Package:             dhcpd
Vulnerability:       buffer overflows in minires library
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= dhcpd-3.0.1rc10-20021108 >= dhcpd-3.0.1rc11-20030116
OpenPKG 1.1          <= dhcpd-3.0.1rc9-1.1.0     >= dhcpd-3.0.1rc9-1.1.1
OpenPKG 1.0          <= dhcpd-3.0.1rc4-1.0.0     >= dhcpd-3.0.1rc4-1.0.1

Affected Releases:   Dependent Packages: none

Description:
  According to CERT advisory CA-2003-01 [0] a buffer overflow exists in
  the minires library embedded in ISC DHCPD versions 3.0 through
  3.0.1RC10 [1].  The Common Vulnerabilities and Exposures (CVE) project
  assigned the id CAN-2003-0026 [2] to the problem.

  Please check whether you are affected by running "<prefix>/bin/rpm
  -q dhcpd". If you have the "dhcpd" 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 1.1, perform the following
  operations to permanently fix the security problem (for other releases
  adjust accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/1.1/UPD
  ftp> get dhcpd-3.0.1rc9-1.1.1.src.rpm
  ftp> bye
  $ <prefix>/bin/rpm -v --checksig dhcpd-3.0.1rc9-1.1.1.src.rpm
  $ <prefix>/bin/rpm --rebuild dhcpd-3.0.1rc9-1.1.1.src.rpm
  $ su -
  # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/dhcpd-3.0.1rc9-1.1.1.*.rpm
________________________________________________________________________

References:
  [0] http://www.cert.org/advisories/CA-2003-01.html
  [1] http://www.isc.org/products/DHCP/dhcp-v3.html
  [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0026
  [3] http://www.openpkg.org/tutorial.html#regular-source
  [4] http://www.openpkg.org/tutorial.html#regular-binary
  [5] ftp://ftp.openpkg.org/release/1.0/UPD/dhcpd-3.0.1rc4-1.0.1.src.rpm
  [6] ftp://ftp.openpkg.org/release/1.1/UPD/dhcpd-3.0.1rc9-1.1.1.src.rpm
  [7] ftp://ftp.openpkg.org/release/1.0/UPD/
  [8] ftp://ftp.openpkg.org/release/1.1/UPD/
  [9] http://www.openpkg.org/security.html#signature
________________________________________________________________________

For security reasons, this advisory was digitally signed with
the OpenPGP public key "OpenPKG <[EMAIL PROTECTED]>" (ID 63C4CB9F)
of the OpenPKG project which you can find under the official URL
http://www.openpkg.org/openpkg.pgp or on http://keyserver.pgp.com/. To
check the integrity of this advisory, verify its digital signature by
using GnuPG (http://www.gnupg.org/). For instance, pipe this message to
the command "gpg --verify --keyserver keyserver.pgp.com".
________________________________________________________________________

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