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Gentoo Linux Security Advisory                           GLSA 201810-08
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                                           https://security.gentoo.org/
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 Severity: High
    Title: PostgreSQL: Multiple vulnerabilities
     Date: October 30, 2018
     Bugs: #603716, #603720, #664332
       ID: 201810-08

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Synopsis
========

Multiple vulnerabilities have been found in PostgreSQL, the worst which
could lead to privilege escalation.

Background
==========

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

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-db/postgresql             < 10.5               >= 9.3.24:9.3
                                                        >= 9.4.19:9.4
                                                        >= 9.5.14:9.5
                                                        >= 9.6.10:9.6
                                                           >= 10.5:10

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

Multiple vulnerabilities have been discovered in PostgreSQL. Please
review the referenced CVE identifiers for details.

In addition it was discovered that Gentoo's PostgreSQL installation
suffered from a privilege escalation vulnerability due to a runscript
which called OpenRC's checkpath() on a user controlled path and allowed
user running PostgreSQL to kill arbitrary processes via PID file
manipulation.

Impact
======

A remote attacker could bypass certain client-side connection security
features, read arbitrary server memory or alter certain data.

In addition, a local attacker could gain privileges or cause a Denial
of Service condition by  killing arbitrary processes.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PostgreSQL users up to 9.3 should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.3.24:9.3"

All PostgreSQL 9.4 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.4.19:9.4"

All PostgreSQL 9.5 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.5.14:9.5"

All PostgreSQL 9.6 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-9.6.10:9.6"

All PostgreSQL 10 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-db/postgresql-10.5:10"

References
==========

[ 1 ] CVE-2018-10915
      https://nvd.nist.gov/vuln/detail/CVE-2018-10915
[ 2 ] CVE-2018-10925
      https://nvd.nist.gov/vuln/detail/CVE-2018-10925
[ 3 ] CVE-2018-1115
      https://nvd.nist.gov/vuln/detail/CVE-2018-1115

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

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

 https://security.gentoo.org/glsa/201810-08

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