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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
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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

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References:
[0] http://www.sendmail.org/
[1] http://www.iss.net/issEn/delivery/xf....jsp?oid=21950
[2] http://cve.mitre.org/cgi-bin/cvename...=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/UP...-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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