USN-3972-1: PostgreSQL vulnerabilities

13 May 2019

postgresql-10, postgresql-11, postgresql-9.5 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS

Summary

Several security issues were fixed in PostgreSQL.

Software Description

  • postgresql-11 - object-relational SQL database
  • postgresql-10 - Object-relational SQL database
  • postgresql-9.5 - Object-relational SQL database

Details

It was discovered that PostgreSQL incorrectly handled partition routing. A remote user could possibly use this issue to read arbitrary bytes of server memory. This issue only affected Ubuntu 19.04. (CVE-2019-10129)

Dean Rasheed discovered that PostgreSQL incorrectly handled selectivity estimators. A remote attacker could possibly use this issue to bypass row security policies. (CVE-2019-10130)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
postgresql-11 - 11.3-0ubuntu0.19.04.1
Ubuntu 18.10
postgresql-10 - 10.8-0ubuntu0.18.10.1
Ubuntu 18.04 LTS
postgresql-10 - 10.8-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
postgresql-9.5 - 9.5.17-0ubuntu0.16.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart PostgreSQL to make all the necessary changes.

References