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Gentoo Linux Security Advisory                           GLSA 201811-24
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: PostgreSQL: SQL injection
     Date: November 30, 2018
     Bugs: #670724
       ID: 201811-24

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Synopsis
========

A SQL injection in PostgreSQL may allow attackers to execute arbitrary
SQL statements.

Background
==========

PostgreSQL is an open source object-relational database management
system.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-db/postgresql           *< 9.3.25                 *>= 9.3.25 
                                 *< 9.4.20                 *>= 9.4.20 
                                 *< 9.5.15                 *>= 9.5.15 
                                 *< 9.6.11                 *>= 9.6.11 
                                  *< 10.6                    *>= 10.6 
                                   < 11.1                     >= 11.1 

Description
===========

A vulnerability was discovered in PostgreSQL's pg_upgrade and pg_dump.

Impact
======

An attacker, by enticing a user to process a specially crafted trigger
definition, can execute arbitrary SQL statements with superuser
privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PostgreSQL 9.3.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.3.25"

All PostgreSQL 9.4.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.4.20"

All PostgreSQL 9.5.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.5.15"

All PostgreSQL 9.6.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.6.11"

All PostgreSQL 10.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-10.6"

All PostgreSQL 11.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-11.1"

References
==========

[ 1 ] CVE-2018-16850
      https://nvd.nist.gov/vuln/detail/CVE-2018-16850

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201811-24

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2018 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5