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[OpenPKG-SA-2003.016] OpenPKG Security Advisory (sendmail)
From: OpenPKG <openpkg () openpkg org>
Date: Tue, 4 Mar 2003 17:48:58 +0100

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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-2003.016                                          04-Mar-2003
________________________________________________________________________

Package:             sendmail
Vulnerability:       code execution, root exploit
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= sendmail-8.12.7-20030205 >= sendmail-8.12.8-20030304
OpenPKG 1.2          <= sendmail-8.12.7-1.2.0    >= sendmail-8.12.7-1.2.1
OpenPKG 1.1          none                        N.A.

Dependent Packages:  none

Description:
  According to an ISS X-Force advisory [1], a buffer overflow
  vulnerability exists in all versions from 5.79 to 8.12.7 of the
  Sendmail MTA [0]. Attackers may remotely exploit this vulnerability to
  gain "root" or superuser control of any vulnerable Sendmail server.
  The Common Vulnerabilities and Exposures (CVE) project assigned the id
  CAN-2002-1337 [2] to the problem.

  Please check whether you are affected by running "<prefix>/bin/rpm
  -q sendmail". If you have the "sendmail" 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], fetch it from the OpenPKG FTP service [6] or a mirror location,
  verify its integrity [7], build a corresponding binary RPM from it [3]
  and update your OpenPKG installation by applying the binary RPM [4].
  For the current release OpenPKG 1.2, perform the following operations
  to permanently fix the security problem (for other releases adjust
  accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/1.2/UPD
  ftp> get sendmail-8.12.7-1.2.1.src.rpm
  ftp> bye
  $ <prefix>/bin/rpm -v --checksig sendmail-8.12.7-1.2.1.src.rpm
  $ <prefix>/bin/rpm --rebuild sendmail-8.12.7-1.2.1.src.rpm
  $ su -
  # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/sendmail-8.12.7-1.2.1.*.rpm

________________________________________________________________________

References:
  [0] http://www.sendmail.org/
  [1] http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21950
  [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1337
  [3] http://www.openpkg.org/tutorial.html#regular-source
  [4] http://www.openpkg.org/tutorial.html#regular-binary
  [5] ftp://ftp.openpkg.org/release/1.2/UPD/sendmail-8.12.7-1.2.1.src.rpm
  [6] ftp://ftp.openpkg.org/release/1.2/UPD/
  [7] 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 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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