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Red Hat Security Advisory 2016-1821-01

Red Hat Security Advisory 2016-1821-01
Posted Sep 8, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1821-01 - PostgreSQL is an advanced object-relational database management system. A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2016-5423, CVE-2016-5424
SHA-256 | a1daa7d26bd9b517de4ebaef6d4ee6539c7d30d459adc3616fd1d5f50494d8cd

Red Hat Security Advisory 2016-1821-01

Change Mirror Download

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

Synopsis: Moderate: rh-postgresql95-postgresql security update
Advisory ID: RHSA-2016:1821-01
Product: Red Hat Software Collections
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1821.html
Issue date: 2016-09-07
CVE Names: CVE-2016-5423 CVE-2016-5424
=====================================================================

1. Summary:

An update for rh-postgresql95-postgresql is now available for Red Hat
Software Collections.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

PostgreSQL is an advanced object-relational database management system
(DBMS).

The following packages have been upgraded to a newer upstream version:
rh-postgresql95-postgresql (9.5.4)

Security Fix(es):

* A flaw was found in the way PostgreSQL server handled certain SQL
statements containing CASE/WHEN commands. A remote, authenticated attacker
could use a specially crafted SQL statement to cause PostgreSQL to crash or
disclose a few bytes of server memory or possibly execute arbitrary code.
(CVE-2016-5423)

* A flaw was found in the way PostgreSQL client programs handled database
and role names containing newlines, carriage returns, double quotes, or
backslashes. By crafting such an object name, roles with the CREATEDB or
CREATEROLE option could escalate their privileges to superuser when a
superuser next executes maintenance with a vulnerable client program.
(CVE-2016-5424)

Red Hat would like to thank the PostgreSQL project for reporting these
issues. Upstream acknowledges Heikki Linnakangas as the original reporter
of CVE-2016-5423; and Nathan Bossart as the original reporter of
CVE-2016-5424.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

If the postgresql service is running, it will be automatically restarted
after installing this update.

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

1364001 - CVE-2016-5423 postgresql: CASE/WHEN with inlining can cause untrusted pointer dereference
1364002 - CVE-2016-5424 postgresql: privilege escalation via crafted database and role names

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
rh-postgresql95-postgresql-9.5.4-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6):

Source:
rh-postgresql95-postgresql-9.5.4-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
rh-postgresql95-postgresql-9.5.4-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

Source:
rh-postgresql95-postgresql-9.5.4-1.el6.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el6.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-postgresql95-postgresql-9.5.4-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1):

Source:
rh-postgresql95-postgresql-9.5.4-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2):

Source:
rh-postgresql95-postgresql-9.5.4-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-postgresql95-postgresql-9.5.4-1.el7.src.rpm

x86_64:
rh-postgresql95-postgresql-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-contrib-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-debuginfo-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-devel-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-docs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-libs-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plperl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-plpython-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-pltcl-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-server-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-static-9.5.4-1.el7.x86_64.rpm
rh-postgresql95-postgresql-test-9.5.4-1.el7.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://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-5423
https://access.redhat.com/security/cve/CVE-2016-5424
https://access.redhat.com/security/updates/classification/#moderate
https://www.postgresql.org/about/news/1688/
https://www.postgresql.org/docs/current/static/release-9-5-4.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2016 Red Hat, Inc.
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