[RedHat] Schwachstelle in Postgresql vor Version 8.4.5

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA1

Liebe Kolleginnen und Kollegen,

soeben erreichte uns nachfolgendes RedHat Security Advisory. Wir geben
diese Informationen unveraendert an Sie weiter.

Das Schluesselwort SECURITY DEFINER gibt bei der Erzeugung einer
Funktion an, dass diese mit den Rechten des erzeugenden Benutzers
gestartet wird. Im Gegensatz dazu wird bei SECURITY INVOKER die Funktion
mit den Rechten des aufrufenden Benutzers gestartet.

CVE-2010-3433 – Schwachstelle in PostgreSQL SECURITY DEFINER Funktion

PostgreSQL beinhaltet eine Schwachstelle bei der Bearbeitung bestimmter
SQL-Funktionen, die mit dem Schluesselwort SECURITY DEFINER erzeugt und
in einer prozeduralen Sprache inklusive PL/Perl oder PL/Tcl
implementiert sind. Der Fehler liegt darin, dass ein Angreifer die
Eigenschaften dieser Sprachen ausnutzen kann, um das Verhalten der
SECURITY DEFINER Funktion eines anderen Benutzers zu manipulieren. Ein
authentifizierter Angreifer kann diese Schwachstelle unter Umstaenden
ausnutzen, um seine Privilegien in der Datenbank zu erweitern.
Voraussetzungen sind, dass prozedurale Sprachen (PLs) unterstuetzt
werden und Funktionen mit den Schluesselworten SECURITY DEFINER, SET
ROLE und SET SESSION AUTHORIZATION zur Aenderung der Privilegien
definiert sind.

Betroffen sind die folgenden Software Pakete und Plattformen:

Paket postgresql

Red Hat Enterprise Linux Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) – i386, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.

Mit freundlichen Gruessen,
Detlev O. Matthies

– —

Detlev O. Matthies, M.Sc. (Incident Response Team)

DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone +49 40 808077-590
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
Sachsenstrasse 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski

Automatische Warnmeldungen https://www.cert.dfn.de/autowarn

– —–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA1

=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: postgresql security update
Advisory ID: RHSA-2010:0908-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0908.html
Issue date: 2010-11-23
CVE Names: CVE-2010-3433
=====================================================================

1. Summary:

Updated postgresql packages that fix one security issue are now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

3. Description:

PostgreSQL is an advanced object-relational database management system
(DBMS). PL/Perl and PL/Tcl allow users to write PostgreSQL functions in the
Perl and Tcl languages. The PostgreSQL SECURITY DEFINER parameter, which
can be used when creating a new PostgreSQL function, specifies that the
function will be executed with the privileges of the user that created it.

It was discovered that a user could utilize the features of the PL/Perl and
PL/Tcl languages to modify the behavior of a SECURITY DEFINER function
created by a different user. If the PL/Perl or PL/Tcl language was used to
implement a SECURITY DEFINER function, an authenticated database user could
use a PL/Perl or PL/Tcl script to modify the behavior of that function
during subsequent calls in the same session. This would result in the
modified or injected code also being executed with the privileges of the
user who created the SECURITY DEFINER function, possibly leading to
privilege escalation. (CVE-2010-3433)

These updated postgresql packages upgrade PostgreSQL to version 8.4.5.
Refer to the PostgreSQL Release Notes for a list of changes:

http://www.postgresql.org/docs/8.4/static/release.html

All PostgreSQL users are advised to upgrade to these updated packages,
which correct this issue. If the postgresql service is running, it will be
automatically restarted after installing this update.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

639371 – CVE-2010-3433 PostgreSQL (PL/Perl, PL/Tcl): SECURITY DEFINER function keyword bypass

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/postgresql-8.4.5-1.el6_0.2.src.rpm

i386:
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm

x86_64:
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/postgresql-8.4.5-1.el6_0.2.src.rpm

i386:
postgresql-8.4.5-1.el6_0.2.i686.rpm
postgresql-contrib-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-docs-8.4.5-1.el6_0.2.i686.rpm
postgresql-plperl-8.4.5-1.el6_0.2.i686.rpm
postgresql-plpython-8.4.5-1.el6_0.2.i686.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.i686.rpm
postgresql-server-8.4.5-1.el6_0.2.i686.rpm
postgresql-test-8.4.5-1.el6_0.2.i686.rpm

x86_64:
postgresql-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-contrib-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-docs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plperl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plpython-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-server-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-test-8.4.5-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/postgresql-8.4.5-1.el6_0.2.src.rpm

x86_64:
postgresql-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-contrib-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-docs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plperl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plpython-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-server-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-test-8.4.5-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/postgresql-8.4.5-1.el6_0.2.src.rpm

i386:
postgresql-8.4.5-1.el6_0.2.i686.rpm
postgresql-contrib-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-docs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-plperl-8.4.5-1.el6_0.2.i686.rpm
postgresql-plpython-8.4.5-1.el6_0.2.i686.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.i686.rpm
postgresql-server-8.4.5-1.el6_0.2.i686.rpm
postgresql-test-8.4.5-1.el6_0.2.i686.rpm

ppc64:
postgresql-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-contrib-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.ppc.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-devel-8.4.5-1.el6_0.2.ppc.rpm
postgresql-devel-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-docs-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-libs-8.4.5-1.el6_0.2.ppc.rpm
postgresql-libs-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-plperl-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-plpython-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-server-8.4.5-1.el6_0.2.ppc64.rpm
postgresql-test-8.4.5-1.el6_0.2.ppc64.rpm

s390x:
postgresql-8.4.5-1.el6_0.2.s390x.rpm
postgresql-contrib-8.4.5-1.el6_0.2.s390x.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.s390.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.s390x.rpm
postgresql-devel-8.4.5-1.el6_0.2.s390.rpm
postgresql-devel-8.4.5-1.el6_0.2.s390x.rpm
postgresql-docs-8.4.5-1.el6_0.2.s390x.rpm
postgresql-libs-8.4.5-1.el6_0.2.s390.rpm
postgresql-libs-8.4.5-1.el6_0.2.s390x.rpm
postgresql-plperl-8.4.5-1.el6_0.2.s390x.rpm
postgresql-plpython-8.4.5-1.el6_0.2.s390x.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.s390x.rpm
postgresql-server-8.4.5-1.el6_0.2.s390x.rpm
postgresql-test-8.4.5-1.el6_0.2.s390x.rpm

x86_64:
postgresql-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-contrib-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-docs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plperl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plpython-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-server-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-test-8.4.5-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/postgresql-8.4.5-1.el6_0.2.src.rpm

i386:
postgresql-8.4.5-1.el6_0.2.i686.rpm
postgresql-contrib-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-docs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-plperl-8.4.5-1.el6_0.2.i686.rpm
postgresql-plpython-8.4.5-1.el6_0.2.i686.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.i686.rpm
postgresql-server-8.4.5-1.el6_0.2.i686.rpm
postgresql-test-8.4.5-1.el6_0.2.i686.rpm

x86_64:
postgresql-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-contrib-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.i686.rpm
postgresql-debuginfo-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-devel-8.4.5-1.el6_0.2.i686.rpm
postgresql-devel-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-docs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-libs-8.4.5-1.el6_0.2.i686.rpm
postgresql-libs-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plperl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-plpython-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-pltcl-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-server-8.4.5-1.el6_0.2.x86_64.rpm
postgresql-test-8.4.5-1.el6_0.2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2010-3433.html
http://www.redhat.com/security/updates/classification/#moderate
http://www.postgresql.org/docs/8.1/interactive/sql-createfunction.html
http://www.postgresql.org/docs/8.4/static/release.html

8. Contact:

The Red Hat security contact is . More contact
details at https://www.redhat.com/security/team/contact/

iD8DBQFM6/E1XlSAg2UNWIIRAnoEAKCWNUSyRaNHmnclmqSAHDVbtfn8IQCfT9m7
rpFZnfWgZYUwkFqB2OminOY=
=6QpM
– —–END PGP SIGNATURE—–
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v2.0.9 (GNU/Linux)

iEYEARECAAYFAkzs7wMACgkQWmhIvjFb90XIAwCZAYrSb/Gtfwux4VDWFQ97ZBJH
U/IAnR4bVVBoTJHs2irqszh7mKXTnCB8
=bq0V
—–END PGP SIGNATURE—–

[RedHat] Schwachstelle in Postgresql vor Version 8.4.5 - RHSA-2010:0908-01

LMP003 Chemnitzer Linux-Tage 2026

[RedHat] Schwachstelle in Postgresql vor Version 8.4.5 – RHSA-2010:0908-01

[RedHat] Schwachstelle in Postgresql vor Version 8.4.5 - RHSA-2010:0908-01