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:

1. emerge --sync
2. emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.3.25"

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

1. emerge --sync
2. emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.4.20"

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

1. emerge --sync
2. emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.5.15"

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

1. emerge --sync
2. emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.6.11"

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

1. emerge --sync
2. emerge --ask --oneshot --verbose ">=dev-db/postgresql-10.6"

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

1. emerge --sync
2. 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